209968450

素因数分解:

$2^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{25763}}^1$

素因数の和:25938

約数の個数: 24

約数和(自身を含む): 392952528

約数和(自身を除く): 182984078

約数列:

[1, 2, 5, 10, 25, 50, 163, 326, 815, 1630, 4075, 8150, 25763, 51526, 128815, 257630, 644075, 1288150, 4199369, 8398738, 20996845, 41993690, 104984225, 209968450]

約数ペア:

[(1, 209968450), (2, 104984225), (5, 41993690), (10, 20996845), (25, 8398738), (50, 4199369), (163, 1288150), (326, 644075), (815, 257630), (1630, 128815), (4075, 51526), (8150, 25763)]