890990180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2344711}}^1$

素因数の和:2344739

約数の個数: 24

約数和(自身を含む): 1969558080

約数和(自身を除く): 1078567900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2344711, 4689422, 9378844, 11723555, 23447110, 44549509, 46894220, 89099018, 178198036, 222747545, 445495090, 890990180]

約数ペア:

[(1, 890990180), (2, 445495090), (4, 222747545), (5, 178198036), (10, 89099018), (19, 46894220), (20, 44549509), (38, 23447110), (76, 11723555), (95, 9378844), (190, 4689422), (380, 2344711)]