1985740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2309}}^1$

素因数の和:2361

約数の個数: 24

約数和(自身を含む): 4268880

約数和(自身を除く): 2283140

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2309, 4618, 9236, 11545, 23090, 46180, 99287, 198574, 397148, 496435, 992870, 1985740]

約数ペア:

[(1, 1985740), (2, 992870), (4, 496435), (5, 397148), (10, 198574), (20, 99287), (43, 46180), (86, 23090), (172, 11545), (215, 9236), (430, 4618), (860, 2309)]