28306180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202187}}^1$

素因数の和:202203

約数の個数: 24

約数和(自身を含む): 67935168

約数和(自身を除く): 39628988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202187, 404374, 808748, 1010935, 1415309, 2021870, 2830618, 4043740, 5661236, 7076545, 14153090, 28306180]

約数ペア:

[(1, 28306180), (2, 14153090), (4, 7076545), (5, 5661236), (7, 4043740), (10, 2830618), (14, 2021870), (20, 1415309), (28, 1010935), (35, 808748), (70, 404374), (140, 202187)]