312968740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2235491}}^1$

素因数の和:2235507

約数の個数: 24

約数和(自身を含む): 751125312

約数和(自身を除く): 438156572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2235491, 4470982, 8941964, 11177455, 15648437, 22354910, 31296874, 44709820, 62593748, 78242185, 156484370, 312968740]

約数ペア:

[(1, 312968740), (2, 156484370), (4, 78242185), (5, 62593748), (7, 44709820), (10, 31296874), (14, 22354910), (20, 15648437), (28, 11177455), (35, 8941964), (70, 4470982), (140, 2235491)]