320450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:71

約数の個数: 48

約数和(自身を含む): 703080

約数和(自身を除く): 382630

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 29, 34, 50, 58, 65, 85, 130, 145, 170, 221, 290, 325, 377, 425, 442, 493, 650, 725, 754, 850, 986, 1105, 1450, 1885, 2210, 2465, 3770, 4930, 5525, 6409, 9425, 11050, 12325, 12818, 18850, 24650, 32045, 64090, 160225, 320450]

約数ペア:

[(1, 320450), (2, 160225), (5, 64090), (10, 32045), (13, 24650), (17, 18850), (25, 12818), (26, 12325), (29, 11050), (34, 9425), (50, 6409), (58, 5525), (65, 4930), (85, 3770), (130, 2465), (145, 2210), (170, 1885), (221, 1450), (290, 1105), (325, 986), (377, 850), (425, 754), (442, 725), (493, 650)]