312005366980

素因数分解:

$2^2\times 5^1\times {\mathrm{15600268349}}^1$

素因数の和:15600268358

約数の個数: 12

約数和(自身を含む): 655211270700

約数和(自身を除く): 343205903720

約数列:

[1, 2, 4, 5, 10, 20, 15600268349, 31200536698, 62401073396, 78001341745, 156002683490, 312005366980]

約数ペア:

[(1, 312005366980), (2, 156002683490), (4, 78001341745), (5, 62401073396), (10, 31200536698), (20, 15600268349)]