390145055

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{701}}^1\times {\mathrm{1409}}^1$

素因数の和:2194

約数の個数: 16

約数和(自身を含む): 475113600

約数和(自身を除く): 84968545

約数列:

[1, 5, 79, 395, 701, 1409, 3505, 7045, 55379, 111311, 276895, 556555, 987709, 4938545, 78029011, 390145055]

約数ペア:

[(1, 390145055), (5, 78029011), (79, 4938545), (395, 987709), (701, 556555), (1409, 276895), (3505, 111311), (7045, 55379)]