68128940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{309677}}^1$

素因数の和:309697

約数の個数: 24

約数和(自身を含む): 156077712

約数和(自身を除く): 87948772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 309677, 619354, 1238708, 1548385, 3096770, 3406447, 6193540, 6812894, 13625788, 17032235, 34064470, 68128940]

約数ペア:

[(1, 68128940), (2, 34064470), (4, 17032235), (5, 13625788), (10, 6812894), (11, 6193540), (20, 3406447), (22, 3096770), (44, 1548385), (55, 1238708), (110, 619354), (220, 309677)]