211375420

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{58391}}^1$

素因数の和:58581

約数の個数: 24

約数和(自身を含む): 446348448

約数和(自身を除く): 234973028

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 58391, 116782, 233564, 291955, 583910, 1167820, 10568771, 21137542, 42275084, 52843855, 105687710, 211375420]

約数ペア:

[(1, 211375420), (2, 105687710), (4, 52843855), (5, 42275084), (10, 21137542), (20, 10568771), (181, 1167820), (362, 583910), (724, 291955), (905, 233564), (1810, 116782), (3620, 58391)]