445402180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1172111}}^1$

素因数の和:1172139

約数の個数: 24

約数和(自身を含む): 984574080

約数和(自身を除く): 539171900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1172111, 2344222, 4688444, 5860555, 11721110, 22270109, 23442220, 44540218, 89080436, 111350545, 222701090, 445402180]

約数ペア:

[(1, 445402180), (2, 222701090), (4, 111350545), (5, 89080436), (10, 44540218), (19, 23442220), (20, 22270109), (38, 11721110), (76, 5860555), (95, 4688444), (190, 2344222), (380, 1172111)]