1811740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{12941}}^1$

素因数の和:12957

約数の個数: 24

約数和(自身を含む): 4348512

約数和(自身を除く): 2536772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 12941, 25882, 51764, 64705, 90587, 129410, 181174, 258820, 362348, 452935, 905870, 1811740]

約数ペア:

[(1, 1811740), (2, 905870), (4, 452935), (5, 362348), (7, 258820), (10, 181174), (14, 129410), (20, 90587), (28, 64705), (35, 51764), (70, 25882), (140, 12941)]