393078290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{40151}}^1$

素因数の和:40258

約数の個数: 32

約数和(自身を含む): 780554880

約数和(自身を除く): 387476590

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 9790, 40151, 80302, 200755, 401510, 441661, 883322, 2208305, 3573439, 4416610, 7146878, 17867195, 35734390, 39307829, 78615658, 196539145, 393078290]

約数ペア:

[(1, 393078290), (2, 196539145), (5, 78615658), (10, 39307829), (11, 35734390), (22, 17867195), (55, 7146878), (89, 4416610), (110, 3573439), (178, 2208305), (445, 883322), (890, 441661), (979, 401510), (1958, 200755), (4895, 80302), (9790, 40151)]