266772980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{430279}}^1$

素因数の和:430319

約数の個数: 24

約数和(自身を含む): 578296320

約数和(自身を除く): 311523340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 430279, 860558, 1721116, 2151395, 4302790, 8605580, 13338649, 26677298, 53354596, 66693245, 133386490, 266772980]

約数ペア:

[(1, 266772980), (2, 133386490), (4, 66693245), (5, 53354596), (10, 26677298), (20, 13338649), (31, 8605580), (62, 4302790), (124, 2151395), (155, 1721116), (310, 860558), (620, 430279)]