378902180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{997111}}^1$

素因数の和:997139

約数の個数: 24

約数和(自身を含む): 837574080

約数和(自身を除く): 458671900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 997111, 1994222, 3988444, 4985555, 9971110, 18945109, 19942220, 37890218, 75780436, 94725545, 189451090, 378902180]

約数ペア:

[(1, 378902180), (2, 189451090), (4, 94725545), (5, 75780436), (10, 37890218), (19, 19942220), (20, 18945109), (38, 9971110), (76, 4985555), (95, 3988444), (190, 1994222), (380, 997111)]