557540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 1192632

約数和(自身を除く): 635092

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 457, 610, 914, 1220, 1828, 2285, 4570, 9140, 27877, 55754, 111508, 139385, 278770, 557540]

約数ペア:

[(1, 557540), (2, 278770), (4, 139385), (5, 111508), (10, 55754), (20, 27877), (61, 9140), (122, 4570), (244, 2285), (305, 1828), (457, 1220), (610, 914)]