9947380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1721}}^1$

素因数の和:1764

約数の個数: 36

約数和(自身を含む): 22203468

約数和(自身を除く): 12256088

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 1721, 2890, 3442, 5780, 6884, 8605, 17210, 29257, 34420, 58514, 117028, 146285, 292570, 497369, 585140, 994738, 1989476, 2486845, 4973690, 9947380]

約数ペア:

[(1, 9947380), (2, 4973690), (4, 2486845), (5, 1989476), (10, 994738), (17, 585140), (20, 497369), (34, 292570), (68, 146285), (85, 117028), (170, 58514), (289, 34420), (340, 29257), (578, 17210), (1156, 8605), (1445, 6884), (1721, 5780), (2890, 3442)]