217440710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{75239}}^1$

素因数の和:75280

約数の個数: 24

約数和(自身を含む): 415776240

約数和(自身を除く): 198335530

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 75239, 150478, 376195, 752390, 1279063, 2558126, 6395315, 12790630, 21744071, 43488142, 108720355, 217440710]

約数ペア:

[(1, 217440710), (2, 108720355), (5, 43488142), (10, 21744071), (17, 12790630), (34, 6395315), (85, 2558126), (170, 1279063), (289, 752390), (578, 376195), (1445, 150478), (2890, 75239)]