90111740

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{22871}}^1$

素因数の和:23077

約数の個数: 24

約数和(自身を含む): 190203552

約数和(自身を除く): 100091812

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 22871, 45742, 91484, 114355, 228710, 457420, 4505587, 9011174, 18022348, 22527935, 45055870, 90111740]

約数ペア:

[(1, 90111740), (2, 45055870), (4, 22527935), (5, 18022348), (10, 9011174), (20, 4505587), (197, 457420), (394, 228710), (788, 114355), (985, 91484), (1970, 45742), (3940, 22871)]