405909220

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{74891}}^1$

素因数の和:75171

約数の個数: 24

約数和(自身を含む): 855566208

約数和(自身を除く): 449656988

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 74891, 149782, 299564, 374455, 748910, 1497820, 20295461, 40590922, 81181844, 101477305, 202954610, 405909220]

約数ペア:

[(1, 405909220), (2, 202954610), (4, 101477305), (5, 81181844), (10, 40590922), (20, 20295461), (271, 1497820), (542, 748910), (1084, 374455), (1355, 299564), (2710, 149782), (5420, 74891)]