9981800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1721}}^1$

素因数の和:1766

約数の個数: 48

約数和(自身を含む): 24021900

約数和(自身を除く): 14040100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 1721, 2900, 3442, 5800, 6884, 8605, 13768, 17210, 34420, 43025, 49909, 68840, 86050, 99818, 172100, 199636, 249545, 344200, 399272, 499090, 998180, 1247725, 1996360, 2495450, 4990900, 9981800]

約数ペア:

[(1, 9981800), (2, 4990900), (4, 2495450), (5, 1996360), (8, 1247725), (10, 998180), (20, 499090), (25, 399272), (29, 344200), (40, 249545), (50, 199636), (58, 172100), (100, 99818), (116, 86050), (145, 68840), (200, 49909), (232, 43025), (290, 34420), (580, 17210), (725, 13768), (1160, 8605), (1450, 6884), (1721, 5800), (2900, 3442)]