315306260

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{162529}}^1$

素因数の和:162635

約数の個数: 24

約数和(自身を含む): 668973480

約数和(自身を除く): 353667220

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 162529, 325058, 650116, 812645, 1625290, 3250580, 15765313, 31530626, 63061252, 78826565, 157653130, 315306260]

約数ペア:

[(1, 315306260), (2, 157653130), (4, 78826565), (5, 63061252), (10, 31530626), (20, 15765313), (97, 3250580), (194, 1625290), (388, 812645), (485, 650116), (970, 325058), (1940, 162529)]