78773660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{562669}}^1$

素因数の和:562685

約数の個数: 24

約数和(自身を含む): 189057120

約数和(自身を除く): 110283460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 562669, 1125338, 2250676, 2813345, 3938683, 5626690, 7877366, 11253380, 15754732, 19693415, 39386830, 78773660]

約数ペア:

[(1, 78773660), (2, 39386830), (4, 19693415), (5, 15754732), (7, 11253380), (10, 7877366), (14, 5626690), (20, 3938683), (28, 2813345), (35, 2250676), (70, 1125338), (140, 562669)]