872780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 1959888

約数和(自身を除く): 1087108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 151, 170, 289, 302, 340, 578, 604, 755, 1156, 1445, 1510, 2567, 2890, 3020, 5134, 5780, 10268, 12835, 25670, 43639, 51340, 87278, 174556, 218195, 436390, 872780]

約数ペア:

[(1, 872780), (2, 436390), (4, 218195), (5, 174556), (10, 87278), (17, 51340), (20, 43639), (34, 25670), (68, 12835), (85, 10268), (151, 5780), (170, 5134), (289, 3020), (302, 2890), (340, 2567), (578, 1510), (604, 1445), (755, 1156)]