8449000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:116

約数の個数: 128

約数和(自身を含む): 24261120

約数和(自身を除く): 15812120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 50, 56, 68, 70, 71, 85, 100, 119, 125, 136, 140, 142, 170, 175, 200, 238, 250, 280, 284, 340, 350, 355, 425, 476, 497, 500, 568, 595, 680, 700, 710, 850, 875, 952, 994, 1000, 1190, 1207, 1400, 1420, 1700, 1750, 1775, 1988, 2125, 2380, 2414, 2485, 2840, 2975, 3400, 3500, 3550, 3976, 4250, 4760, 4828, 4970, 5950, 6035, 7000, 7100, 8449, 8500, 8875, 9656, 9940, 11900, 12070, 12425, 14200, 14875, 16898, 17000, 17750, 19880, 23800, 24140, 24850, 29750, 30175, 33796, 35500, 42245, 48280, 49700, 59500, 60350, 62125, 67592, 71000, 84490, 99400, 119000, 120700, 124250, 150875, 168980, 211225, 241400, 248500, 301750, 337960, 422450, 497000, 603500, 844900, 1056125, 1207000, 1689800, 2112250, 4224500, 8449000]

約数ペア:

[(1, 8449000), (2, 4224500), (4, 2112250), (5, 1689800), (7, 1207000), (8, 1056125), (10, 844900), (14, 603500), (17, 497000), (20, 422450), (25, 337960), (28, 301750), (34, 248500), (35, 241400), (40, 211225), (50, 168980), (56, 150875), (68, 124250), (70, 120700), (71, 119000), (85, 99400), (100, 84490), (119, 71000), (125, 67592), (136, 62125), (140, 60350), (142, 59500), (170, 49700), (175, 48280), (200, 42245), (238, 35500), (250, 33796), (280, 30175), (284, 29750), (340, 24850), (350, 24140), (355, 23800), (425, 19880), (476, 17750), (497, 17000), (500, 16898), (568, 14875), (595, 14200), (680, 12425), (700, 12070), (710, 11900), (850, 9940), (875, 9656), (952, 8875), (994, 8500), (1000, 8449), (1190, 7100), (1207, 7000), (1400, 6035), (1420, 5950), (1700, 4970), (1750, 4828), (1775, 4760), (1988, 4250), (2125, 3976), (2380, 3550), (2414, 3500), (2485, 3400), (2840, 2975)]