210955580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{2671}}^1$

素因数の和:3050

約数の個数: 48

約数和(自身を含む): 484807680

約数和(自身を除く): 273852100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 359, 718, 1436, 1795, 2671, 3590, 3949, 5342, 7180, 7898, 10684, 13355, 15796, 19745, 26710, 29381, 39490, 53420, 58762, 78980, 117524, 146905, 293810, 587620, 958889, 1917778, 3835556, 4794445, 9588890, 10547779, 19177780, 21095558, 42191116, 52738895, 105477790, 210955580]

約数ペア:

[(1, 210955580), (2, 105477790), (4, 52738895), (5, 42191116), (10, 21095558), (11, 19177780), (20, 10547779), (22, 9588890), (44, 4794445), (55, 3835556), (110, 1917778), (220, 958889), (359, 587620), (718, 293810), (1436, 146905), (1795, 117524), (2671, 78980), (3590, 58762), (3949, 53420), (5342, 39490), (7180, 29381), (7898, 26710), (10684, 19745), (13355, 15796)]