68837540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{47149}}^1$

素因数の和:47231

約数の個数: 24

約数和(自身を含む): 146542200

約数和(自身を除く): 77704660

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 47149, 94298, 188596, 235745, 471490, 942980, 3441877, 6883754, 13767508, 17209385, 34418770, 68837540]

約数ペア:

[(1, 68837540), (2, 34418770), (4, 17209385), (5, 13767508), (10, 6883754), (20, 3441877), (73, 942980), (146, 471490), (292, 235745), (365, 188596), (730, 94298), (1460, 47149)]