212109980

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{38287}}^1$

素因数の和:38573

約数の個数: 24

約数和(自身を含む): 447050688

約数和(自身を除く): 234940708

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 38287, 76574, 153148, 191435, 382870, 765740, 10605499, 21210998, 42421996, 53027495, 106054990, 212109980]

約数ペア:

[(1, 212109980), (2, 106054990), (4, 53027495), (5, 42421996), (10, 21210998), (20, 10605499), (277, 765740), (554, 382870), (1108, 191435), (1385, 153148), (2770, 76574), (5540, 38287)]