220230820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{355211}}^1$

素因数の和:355251

約数の個数: 24

約数和(自身を含む): 477404928

約数和(自身を除く): 257174108

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 355211, 710422, 1420844, 1776055, 3552110, 7104220, 11011541, 22023082, 44046164, 55057705, 110115410, 220230820]

約数ペア:

[(1, 220230820), (2, 110115410), (4, 55057705), (5, 44046164), (10, 22023082), (20, 11011541), (31, 7104220), (62, 3552110), (124, 1776055), (155, 1420844), (310, 710422), (620, 355211)]