214914820

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{15551}}^1$

素因数の和:16251

約数の個数: 24

約数和(自身を含む): 452003328

約数和(自身を除く): 237088508

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 13820, 15551, 31102, 62204, 77755, 155510, 311020, 10745741, 21491482, 42982964, 53728705, 107457410, 214914820]

約数ペア:

[(1, 214914820), (2, 107457410), (4, 53728705), (5, 42982964), (10, 21491482), (20, 10745741), (691, 311020), (1382, 155510), (2764, 77755), (3455, 62204), (6910, 31102), (13820, 15551)]