797620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2099}}^1$

素因数の和:2127

約数の個数: 24

約数和(自身を含む): 1764000

約数和(自身を除く): 966380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2099, 4198, 8396, 10495, 20990, 39881, 41980, 79762, 159524, 199405, 398810, 797620]

約数ペア:

[(1, 797620), (2, 398810), (4, 199405), (5, 159524), (10, 79762), (19, 41980), (20, 39881), (38, 20990), (76, 10495), (95, 8396), (190, 4198), (380, 2099)]