6457780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 15644160

約数和(自身を除く): 9186380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 239, 386, 478, 772, 956, 965, 1195, 1351, 1673, 1930, 2390, 2702, 3346, 3860, 4780, 5404, 6692, 6755, 8365, 13510, 16730, 27020, 33460, 46127, 92254, 184508, 230635, 322889, 461270, 645778, 922540, 1291556, 1614445, 3228890, 6457780]

約数ペア:

[(1, 6457780), (2, 3228890), (4, 1614445), (5, 1291556), (7, 922540), (10, 645778), (14, 461270), (20, 322889), (28, 230635), (35, 184508), (70, 92254), (140, 46127), (193, 33460), (239, 27020), (386, 16730), (478, 13510), (772, 8365), (956, 6755), (965, 6692), (1195, 5404), (1351, 4780), (1673, 3860), (1930, 3346), (2390, 2702)]