28937820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1571}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 81341568

約数和(自身を除く): 52403748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307, 614, 921, 1228, 1535, 1571, 1842, 3070, 3142, 3684, 4605, 4713, 6140, 6284, 7855, 9210, 9426, 15710, 18420, 18852, 23565, 31420, 47130, 94260, 482297, 964594, 1446891, 1929188, 2411485, 2893782, 4822970, 5787564, 7234455, 9645940, 14468910, 28937820]

約数ペア:

[(1, 28937820), (2, 14468910), (3, 9645940), (4, 7234455), (5, 5787564), (6, 4822970), (10, 2893782), (12, 2411485), (15, 1929188), (20, 1446891), (30, 964594), (60, 482297), (307, 94260), (614, 47130), (921, 31420), (1228, 23565), (1535, 18852), (1571, 18420), (1842, 15710), (3070, 9426), (3142, 9210), (3684, 7855), (4605, 6284), (4713, 6140)]