71261620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{12329}}^1$

素因数の和:12372

約数の個数: 36

約数和(自身を含む): 158983020

約数和(自身を除く): 87721400

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 12329, 24658, 49316, 61645, 123290, 209593, 246580, 419186, 838372, 1047965, 2095930, 3563081, 4191860, 7126162, 14252324, 17815405, 35630810, 71261620]

約数ペア:

[(1, 71261620), (2, 35630810), (4, 17815405), (5, 14252324), (10, 7126162), (17, 4191860), (20, 3563081), (34, 2095930), (68, 1047965), (85, 838372), (170, 419186), (289, 246580), (340, 209593), (578, 123290), (1156, 61645), (1445, 49316), (2890, 24658), (5780, 12329)]