400492580

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{74441}}^1$

素因数の和:74719

約数の個数: 24

約数和(自身を含む): 844172280

約数和(自身を除く): 443679700

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 74441, 148882, 297764, 372205, 744410, 1488820, 20024629, 40049258, 80098516, 100123145, 200246290, 400492580]

約数ペア:

[(1, 400492580), (2, 200246290), (4, 100123145), (5, 80098516), (10, 40049258), (20, 20024629), (269, 1488820), (538, 744410), (1076, 372205), (1345, 297764), (2690, 148882), (5380, 74441)]