7143740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21011}}^1$

素因数の和:21037

約数の個数: 24

約数和(自身を含む): 15885072

約数和(自身を除く): 8741332

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 21011, 42022, 84044, 105055, 210110, 357187, 420220, 714374, 1428748, 1785935, 3571870, 7143740]

約数ペア:

[(1, 7143740), (2, 3571870), (4, 1785935), (5, 1428748), (10, 714374), (17, 420220), (20, 357187), (34, 210110), (68, 105055), (85, 84044), (170, 42022), (340, 21011)]