9803780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 23708160

約数和(自身を除く): 13904380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 293, 478, 586, 956, 1172, 1195, 1465, 1673, 2051, 2390, 2930, 3346, 4102, 4780, 5860, 6692, 8204, 8365, 10255, 16730, 20510, 33460, 41020, 70027, 140054, 280108, 350135, 490189, 700270, 980378, 1400540, 1960756, 2450945, 4901890, 9803780]

約数ペア:

[(1, 9803780), (2, 4901890), (4, 2450945), (5, 1960756), (7, 1400540), (10, 980378), (14, 700270), (20, 490189), (28, 350135), (35, 280108), (70, 140054), (140, 70027), (239, 41020), (293, 33460), (478, 20510), (586, 16730), (956, 10255), (1172, 8365), (1195, 8204), (1465, 6692), (1673, 5860), (2051, 4780), (2390, 4102), (2930, 3346)]