138766180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{991187}}^1$

素因数の和:991203

約数の個数: 24

約数和(自身を含む): 333039168

約数和(自身を除く): 194272988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 991187, 1982374, 3964748, 4955935, 6938309, 9911870, 13876618, 19823740, 27753236, 34691545, 69383090, 138766180]

約数ペア:

[(1, 138766180), (2, 69383090), (4, 34691545), (5, 27753236), (7, 19823740), (10, 13876618), (14, 9911870), (20, 6938309), (28, 4955935), (35, 3964748), (70, 1982374), (140, 991187)]