281034340

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{33377}}^1$

素因数の和:33807

約数の個数: 24

約数和(自身を含む): 591591672

約数和(自身を除く): 310557332

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 33377, 66754, 133508, 166885, 333770, 667540, 14051717, 28103434, 56206868, 70258585, 140517170, 281034340]

約数ペア:

[(1, 281034340), (2, 140517170), (4, 70258585), (5, 56206868), (10, 28103434), (20, 14051717), (421, 667540), (842, 333770), (1684, 166885), (2105, 133508), (4210, 66754), (8420, 33377)]