1380980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2381}}^1$

素因数の和:2419

約数の個数: 24

約数和(自身を含む): 3001320

約数和(自身を除く): 1620340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 2381, 4762, 9524, 11905, 23810, 47620, 69049, 138098, 276196, 345245, 690490, 1380980]

約数ペア:

[(1, 1380980), (2, 690490), (4, 345245), (5, 276196), (10, 138098), (20, 69049), (29, 47620), (58, 23810), (116, 11905), (145, 9524), (290, 4762), (580, 2381)]