388790780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{14389}}^1$

素因数の和:14598

約数の個数: 48

約数和(自身を含む): 937997760

約数和(自身を除く): 549206980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1930, 2702, 3860, 5404, 6755, 13510, 14389, 27020, 28778, 57556, 71945, 100723, 143890, 201446, 287780, 402892, 503615, 1007230, 2014460, 2777077, 5554154, 11108308, 13885385, 19439539, 27770770, 38879078, 55541540, 77758156, 97197695, 194395390, 388790780]

約数ペア:

[(1, 388790780), (2, 194395390), (4, 97197695), (5, 77758156), (7, 55541540), (10, 38879078), (14, 27770770), (20, 19439539), (28, 13885385), (35, 11108308), (70, 5554154), (140, 2777077), (193, 2014460), (386, 1007230), (772, 503615), (965, 402892), (1351, 287780), (1930, 201446), (2702, 143890), (3860, 100723), (5404, 71945), (6755, 57556), (13510, 28778), (14389, 27020)]