1791740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{887}}^1$

素因数の和:997

約数の個数: 24

約数和(自身を含む): 3804192

約数和(自身を除く): 2012452

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 887, 1010, 1774, 2020, 3548, 4435, 8870, 17740, 89587, 179174, 358348, 447935, 895870, 1791740]

約数ペア:

[(1, 1791740), (2, 895870), (4, 447935), (5, 358348), (10, 179174), (20, 89587), (101, 17740), (202, 8870), (404, 4435), (505, 3548), (887, 2020), (1010, 1774)]