397218340

素因数分解:

$2^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{34421}}^1$

素因数の和:35007

約数の個数: 24

約数和(自身を含む): 835628472

約数和(自身を除く): 438410132

約数列:

[1, 2, 4, 5, 10, 20, 577, 1154, 2308, 2885, 5770, 11540, 34421, 68842, 137684, 172105, 344210, 688420, 19860917, 39721834, 79443668, 99304585, 198609170, 397218340]

約数ペア:

[(1, 397218340), (2, 198609170), (4, 99304585), (5, 79443668), (10, 39721834), (20, 19860917), (577, 688420), (1154, 344210), (2308, 172105), (2885, 137684), (5770, 68842), (11540, 34421)]