1693220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2731}}^1$

素因数の和:2771

約数の個数: 24

約数和(自身を含む): 3671808

約数和(自身を除く): 1978588

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2731, 5462, 10924, 13655, 27310, 54620, 84661, 169322, 338644, 423305, 846610, 1693220]

約数ペア:

[(1, 1693220), (2, 846610), (4, 423305), (5, 338644), (10, 169322), (20, 84661), (31, 54620), (62, 27310), (124, 13655), (155, 10924), (310, 5462), (620, 2731)]