220131740

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{55871}}^1$

素因数の和:56077

約数の個数: 24

約数和(自身を含む): 464631552

約数和(自身を除く): 244499812

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 55871, 111742, 223484, 279355, 558710, 1117420, 11006587, 22013174, 44026348, 55032935, 110065870, 220131740]

約数ペア:

[(1, 220131740), (2, 110065870), (4, 55032935), (5, 44026348), (10, 22013174), (20, 11006587), (197, 1117420), (394, 558710), (788, 279355), (985, 223484), (1970, 111742), (3940, 55871)]