153126980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{246979}}^1$

素因数の和:247019

約数の個数: 24

約数和(自身を含む): 331941120

約数和(自身を除く): 178814140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 246979, 493958, 987916, 1234895, 2469790, 4939580, 7656349, 15312698, 30625396, 38281745, 76563490, 153126980]

約数ペア:

[(1, 153126980), (2, 76563490), (4, 38281745), (5, 30625396), (10, 15312698), (20, 7656349), (31, 4939580), (62, 2469790), (124, 1234895), (155, 987916), (310, 493958), (620, 246979)]