131435080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{469411}}^1$

素因数の和:469429

約数の個数: 32

約数和(自身を含む): 337976640

約数和(自身を除く): 206541560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 469411, 938822, 1877644, 2347055, 3285877, 3755288, 4694110, 6571754, 9388220, 13143508, 16429385, 18776440, 26287016, 32858770, 65717540, 131435080]

約数ペア:

[(1, 131435080), (2, 65717540), (4, 32858770), (5, 26287016), (7, 18776440), (8, 16429385), (10, 13143508), (14, 9388220), (20, 6571754), (28, 4694110), (35, 3755288), (40, 3285877), (56, 2347055), (70, 1877644), (140, 938822), (280, 469411)]