201400820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{234187}}^1$

素因数の和:234239

約数の個数: 24

約数和(自身を含む): 432779424

約数和(自身を除く): 231378604

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 234187, 468374, 936748, 1170935, 2341870, 4683740, 10070041, 20140082, 40280164, 50350205, 100700410, 201400820]

約数ペア:

[(1, 201400820), (2, 100700410), (4, 50350205), (5, 40280164), (10, 20140082), (20, 10070041), (43, 4683740), (86, 2341870), (172, 1170935), (215, 936748), (430, 468374), (860, 234187)]