388623020

素因数分解:

$2^2\times 5^1\times {\mathrm{4049}}^1\times {\mathrm{4799}}^1$

素因数の和:8857

約数の個数: 24

約数和(自身を含む): 816480000

約数和(自身を除く): 427856980

約数列:

[1, 2, 4, 5, 10, 20, 4049, 4799, 8098, 9598, 16196, 19196, 20245, 23995, 40490, 47990, 80980, 95980, 19431151, 38862302, 77724604, 97155755, 194311510, 388623020]

約数ペア:

[(1, 388623020), (2, 194311510), (4, 97155755), (5, 77724604), (10, 38862302), (20, 19431151), (4049, 95980), (4799, 80980), (8098, 47990), (9598, 40490), (16196, 23995), (19196, 20245)]