98628980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{159079}}^1$

素因数の和:159119

約数の個数: 24

約数和(自身を含む): 213803520

約数和(自身を除く): 115174540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 159079, 318158, 636316, 795395, 1590790, 3181580, 4931449, 9862898, 19725796, 24657245, 49314490, 98628980]

約数ペア:

[(1, 98628980), (2, 49314490), (4, 24657245), (5, 19725796), (10, 9862898), (20, 4931449), (31, 3181580), (62, 1590790), (124, 795395), (155, 636316), (310, 318158), (620, 159079)]