139196180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{68909}}^1$

素因数の和:69019

約数の個数: 24

約数和(自身を含む): 295210440

約数和(自身を除く): 156014260

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 68909, 137818, 275636, 344545, 689090, 1378180, 6959809, 13919618, 27839236, 34799045, 69598090, 139196180]

約数ペア:

[(1, 139196180), (2, 69598090), (4, 34799045), (5, 27839236), (10, 13919618), (20, 6959809), (101, 1378180), (202, 689090), (404, 344545), (505, 275636), (1010, 137818), (2020, 68909)]