904780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2381}}^1$

素因数の和:2409

約数の個数: 24

約数和(自身を含む): 2000880

約数和(自身を除く): 1096100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2381, 4762, 9524, 11905, 23810, 45239, 47620, 90478, 180956, 226195, 452390, 904780]

約数ペア:

[(1, 904780), (2, 452390), (4, 226195), (5, 180956), (10, 90478), (19, 47620), (20, 45239), (38, 23810), (76, 11905), (95, 9524), (190, 4762), (380, 2381)]