128266180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{916187}}^1$

素因数の和:916203

約数の個数: 24

約数和(自身を含む): 307839168

約数和(自身を除く): 179572988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 916187, 1832374, 3664748, 4580935, 6413309, 9161870, 12826618, 18323740, 25653236, 32066545, 64133090, 128266180]

約数ペア:

[(1, 128266180), (2, 64133090), (4, 32066545), (5, 25653236), (7, 18323740), (10, 12826618), (14, 9161870), (20, 6413309), (28, 4580935), (35, 3664748), (70, 1832374), (140, 916187)]