628901020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2858641}}^1$

素因数の和:2858661

約数の個数: 24

約数和(自身を含む): 1440755568

約数和(自身を除く): 811854548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2858641, 5717282, 11434564, 14293205, 28586410, 31445051, 57172820, 62890102, 125780204, 157225255, 314450510, 628901020]

約数ペア:

[(1, 628901020), (2, 314450510), (4, 157225255), (5, 125780204), (10, 62890102), (11, 57172820), (20, 31445051), (22, 28586410), (44, 14293205), (55, 11434564), (110, 5717282), (220, 2858641)]