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数学
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2004共有多少个正约数?期中偶约数比奇约数多多少个?
Honey, I've lost my way, please take me home, please?
人气:125 ℃ 时间:2020-06-13 01:00:18
解答
2004=2^2*3*167
2004正约数的个数=(2+1)*(1+1)*(1+1)=3*2*2=12(个)
它们分别是:1,2,3,4,6,12,167,334,501,668,1002,2004
偶约数比奇约数多 9-3=6(个)
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