在外站上看到一個名詞...覺得...非常的棒...
                                                                               
     不想轉錄....用自己的話說出來...比較美....:)
                                                                               
     大家想想ㄛ....220跟284這兩個數字有什麼關聯ㄋㄟ...??
                                                                               
     仔細看ㄛ....:P
                                                                               
     220本身除外的因數有:1,2,4,5,10,11,20,22,44,55,110
                                                                               
     284本身除外的因數有:1,2,4,71,142
                                                                               
     有各奇妙的現象....
                                                                               
     284 = 1+2+4+5+10+11+20+22+44+55+110
     220 = 1+2+4+71+142
                                                                               
     他們互相用自己全部的生命去成全對方
                                                                               
     數學上稱這種數為"完全數"...在自然數中非常少見....
                                                                               
     雖然有公式可以找..不過...那還是一種....
                                                                                                                                                                                                                                                                美的讓人心折的....................................
                                                                               
                                                                               
                                 悸   動
                                                                               
--
                                                                               
        希望大家都能快快找到自己ㄉ220或284ㄛ...
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