7900778890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{773}}^1\times {\mathrm{9377}}^1$

素因数の和:10266

約数の個数: 32

約数和(自身を含む): 14371972560

約数和(自身を除く): 6471193670

約数列:

[1, 2, 5, 10, 109, 218, 545, 773, 1090, 1546, 3865, 7730, 9377, 18754, 46885, 84257, 93770, 168514, 421285, 842570, 1022093, 2044186, 5110465, 7248421, 10220930, 14496842, 36242105, 72484210, 790077889, 1580155778, 3950389445, 7900778890]

約数ペア:

[(1, 7900778890), (2, 3950389445), (5, 1580155778), (10, 790077889), (109, 72484210), (218, 36242105), (545, 14496842), (773, 10220930), (1090, 7248421), (1546, 5110465), (3865, 2044186), (7730, 1022093), (9377, 842570), (18754, 421285), (46885, 168514), (84257, 93770)]