204550925

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 258633000

約数和(自身を除く): 54082075

約数列:

[1, 5, 25, 89, 149, 445, 617, 745, 2225, 3085, 3725, 13261, 15425, 54913, 66305, 91933, 274565, 331525, 459665, 1372825, 2298325, 8182037, 40910185, 204550925]

約数ペア:

[(1, 204550925), (5, 40910185), (25, 8182037), (89, 2298325), (149, 1372825), (445, 459665), (617, 331525), (745, 274565), (2225, 91933), (3085, 66305), (3725, 54913), (13261, 15425)]