623217620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{13187}}^1$

素因数の和:13352

約数の個数: 48

約数和(自身を含む): 1395817920

約数和(自身を除く): 772600300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 1390, 2363, 2780, 4726, 9452, 11815, 13187, 23630, 26374, 47260, 52748, 65935, 131870, 224179, 263740, 448358, 896716, 1120895, 1832993, 2241790, 3665986, 4483580, 7331972, 9164965, 18329930, 31160881, 36659860, 62321762, 124643524, 155804405, 311608810, 623217620]

約数ペア:

[(1, 623217620), (2, 311608810), (4, 155804405), (5, 124643524), (10, 62321762), (17, 36659860), (20, 31160881), (34, 18329930), (68, 9164965), (85, 7331972), (139, 4483580), (170, 3665986), (278, 2241790), (340, 1832993), (556, 1120895), (695, 896716), (1390, 448358), (2363, 263740), (2780, 224179), (4726, 131870), (9452, 65935), (11815, 52748), (13187, 47260), (23630, 26374)]