68729140

素因数分解:

$2^2\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{2311}}^1$

素因数の和:3807

約数の個数: 24

約数和(自身を含む): 144490752

約数和(自身を除く): 75761612

約数列:

[1, 2, 4, 5, 10, 20, 1487, 2311, 2974, 4622, 5948, 7435, 9244, 11555, 14870, 23110, 29740, 46220, 3436457, 6872914, 13745828, 17182285, 34364570, 68729140]

約数ペア:

[(1, 68729140), (2, 34364570), (4, 17182285), (5, 13745828), (10, 6872914), (20, 3436457), (1487, 46220), (2311, 29740), (2974, 23110), (4622, 14870), (5948, 11555), (7435, 9244)]