68666380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{180701}}^1$

素因数の和:180729

約数の個数: 24

約数和(自身を含む): 151789680

約数和(自身を除く): 83123300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 180701, 361402, 722804, 903505, 1807010, 3433319, 3614020, 6866638, 13733276, 17166595, 34333190, 68666380]

約数ペア:

[(1, 68666380), (2, 34333190), (4, 17166595), (5, 13733276), (10, 6866638), (19, 3614020), (20, 3433319), (38, 1807010), (76, 903505), (95, 722804), (190, 361402), (380, 180701)]