317618540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{97429}}^1$

素因数の和:97601

約数の個数: 24

約数和(自身を含む): 671097840

約数和(自身を除く): 353479300

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 97429, 194858, 389716, 487145, 974290, 1948580, 15880927, 31761854, 63523708, 79404635, 158809270, 317618540]

約数ペア:

[(1, 317618540), (2, 158809270), (4, 79404635), (5, 63523708), (10, 31761854), (20, 15880927), (163, 1948580), (326, 974290), (652, 487145), (815, 389716), (1630, 194858), (3260, 97429)]