128216180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337411}}^1$

素因数の和:337439

約数の個数: 24

約数和(自身を含む): 283426080

約数和(自身を除く): 155209900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 337411, 674822, 1349644, 1687055, 3374110, 6410809, 6748220, 12821618, 25643236, 32054045, 64108090, 128216180]

約数ペア:

[(1, 128216180), (2, 64108090), (4, 32054045), (5, 25643236), (10, 12821618), (19, 6748220), (20, 6410809), (38, 3374110), (76, 1687055), (95, 1349644), (190, 674822), (380, 337411)]