2730987620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3175567}}^1$

素因数の和:3175619

約数の個数: 24

約数和(自身を含む): 5868449664

約数和(自身を除く): 3137462044

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 3175567, 6351134, 12702268, 15877835, 31755670, 63511340, 136549381, 273098762, 546197524, 682746905, 1365493810, 2730987620]

約数ペア:

[(1, 2730987620), (2, 1365493810), (4, 682746905), (5, 546197524), (10, 273098762), (20, 136549381), (43, 63511340), (86, 31755670), (172, 15877835), (215, 12702268), (430, 6351134), (860, 3175567)]