902180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 1921920

約数和(自身を除く): 1019740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 571, 790, 1142, 1580, 2284, 2855, 5710, 11420, 45109, 90218, 180436, 225545, 451090, 902180]

約数ペア:

[(1, 902180), (2, 451090), (4, 225545), (5, 180436), (10, 90218), (20, 45109), (79, 11420), (158, 5710), (316, 2855), (395, 2284), (571, 1580), (790, 1142)]