68156980

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{7457}}^1$

素因数の和:7923

約数の個数: 24

約数和(自身を含む): 143462088

約数和(自身を除く): 75305108

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4570, 7457, 9140, 14914, 29828, 37285, 74570, 149140, 3407849, 6815698, 13631396, 17039245, 34078490, 68156980]

約数ペア:

[(1, 68156980), (2, 34078490), (4, 17039245), (5, 13631396), (10, 6815698), (20, 3407849), (457, 149140), (914, 74570), (1828, 37285), (2285, 29828), (4570, 14914), (7457, 9140)]