19993800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:775

約数の個数: 96

約数和(自身を含む): 63388800

約数和(自身を除く): 43395000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 47, 50, 60, 75, 94, 100, 120, 141, 150, 188, 200, 235, 282, 300, 376, 470, 564, 600, 705, 709, 940, 1128, 1175, 1410, 1418, 1880, 2127, 2350, 2820, 2836, 3525, 3545, 4254, 4700, 5640, 5672, 7050, 7090, 8508, 9400, 10635, 14100, 14180, 17016, 17725, 21270, 28200, 28360, 33323, 35450, 42540, 53175, 66646, 70900, 85080, 99969, 106350, 133292, 141800, 166615, 199938, 212700, 266584, 333230, 399876, 425400, 499845, 666460, 799752, 833075, 999690, 1332920, 1666150, 1999380, 2499225, 3332300, 3998760, 4998450, 6664600, 9996900, 19993800]

約数ペア:

[(1, 19993800), (2, 9996900), (3, 6664600), (4, 4998450), (5, 3998760), (6, 3332300), (8, 2499225), (10, 1999380), (12, 1666150), (15, 1332920), (20, 999690), (24, 833075), (25, 799752), (30, 666460), (40, 499845), (47, 425400), (50, 399876), (60, 333230), (75, 266584), (94, 212700), (100, 199938), (120, 166615), (141, 141800), (150, 133292), (188, 106350), (200, 99969), (235, 85080), (282, 70900), (300, 66646), (376, 53175), (470, 42540), (564, 35450), (600, 33323), (705, 28360), (709, 28200), (940, 21270), (1128, 17725), (1175, 17016), (1410, 14180), (1418, 14100), (1880, 10635), (2127, 9400), (2350, 8508), (2820, 7090), (2836, 7050), (3525, 5672), (3545, 5640), (4254, 4700)]