78994210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{415759}}^1$

素因数の和:415785

約数の個数: 16

約数和(自身を含む): 149673600

約数和(自身を除く): 70679390

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 415759, 831518, 2078795, 4157590, 7899421, 15798842, 39497105, 78994210]

約数ペア:

[(1, 78994210), (2, 39497105), (5, 15798842), (10, 7899421), (19, 4157590), (38, 2078795), (95, 831518), (190, 415759)]