136988740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{978491}}^1$

素因数の和:978507

約数の個数: 24

約数和(自身を含む): 328773312

約数和(自身を除く): 191784572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 978491, 1956982, 3913964, 4892455, 6849437, 9784910, 13698874, 19569820, 27397748, 34247185, 68494370, 136988740]

約数ペア:

[(1, 136988740), (2, 68494370), (4, 34247185), (5, 27397748), (7, 19569820), (10, 13698874), (14, 9784910), (20, 6849437), (28, 4892455), (35, 3913964), (70, 1956982), (140, 978491)]