388631260

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{27407}}^1$

素因数の和:28125

約数の個数: 24

約数和(自身を含む): 817306560

約数和(自身を除く): 428675300

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2836, 3545, 7090, 14180, 27407, 54814, 109628, 137035, 274070, 548140, 19431563, 38863126, 77726252, 97157815, 194315630, 388631260]

約数ペア:

[(1, 388631260), (2, 194315630), (4, 97157815), (5, 77726252), (10, 38863126), (20, 19431563), (709, 548140), (1418, 274070), (2836, 137035), (3545, 109628), (7090, 54814), (14180, 27407)]