155156660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1783}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 344668800

約数和(自身を除く): 189512140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 229, 380, 458, 916, 1145, 1783, 2290, 3566, 4351, 4580, 7132, 8702, 8915, 17404, 17830, 21755, 33877, 35660, 43510, 67754, 87020, 135508, 169385, 338770, 408307, 677540, 816614, 1633228, 2041535, 4083070, 7757833, 8166140, 15515666, 31031332, 38789165, 77578330, 155156660]

約数ペア:

[(1, 155156660), (2, 77578330), (4, 38789165), (5, 31031332), (10, 15515666), (19, 8166140), (20, 7757833), (38, 4083070), (76, 2041535), (95, 1633228), (190, 816614), (229, 677540), (380, 408307), (458, 338770), (916, 169385), (1145, 135508), (1783, 87020), (2290, 67754), (3566, 43510), (4351, 35660), (4580, 33877), (7132, 21755), (8702, 17830), (8915, 17404)]