1666000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{17}}^1$

素因数の和:54

約数の個数: 120

約数和(自身を含む): 4961736

約数和(自身を除く): 3295736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 34, 35, 40, 49, 50, 56, 68, 70, 80, 85, 98, 100, 112, 119, 125, 136, 140, 170, 175, 196, 200, 238, 245, 250, 272, 280, 340, 350, 392, 400, 425, 476, 490, 500, 560, 595, 680, 700, 784, 833, 850, 875, 952, 980, 1000, 1190, 1225, 1360, 1400, 1666, 1700, 1750, 1904, 1960, 2000, 2125, 2380, 2450, 2800, 2975, 3332, 3400, 3500, 3920, 4165, 4250, 4760, 4900, 5950, 6125, 6664, 6800, 7000, 8330, 8500, 9520, 9800, 11900, 12250, 13328, 14000, 14875, 16660, 17000, 19600, 20825, 23800, 24500, 29750, 33320, 34000, 41650, 47600, 49000, 59500, 66640, 83300, 98000, 104125, 119000, 166600, 208250, 238000, 333200, 416500, 833000, 1666000]

約数ペア:

[(1, 1666000), (2, 833000), (4, 416500), (5, 333200), (7, 238000), (8, 208250), (10, 166600), (14, 119000), (16, 104125), (17, 98000), (20, 83300), (25, 66640), (28, 59500), (34, 49000), (35, 47600), (40, 41650), (49, 34000), (50, 33320), (56, 29750), (68, 24500), (70, 23800), (80, 20825), (85, 19600), (98, 17000), (100, 16660), (112, 14875), (119, 14000), (125, 13328), (136, 12250), (140, 11900), (170, 9800), (175, 9520), (196, 8500), (200, 8330), (238, 7000), (245, 6800), (250, 6664), (272, 6125), (280, 5950), (340, 4900), (350, 4760), (392, 4250), (400, 4165), (425, 3920), (476, 3500), (490, 3400), (500, 3332), (560, 2975), (595, 2800), (680, 2450), (700, 2380), (784, 2125), (833, 2000), (850, 1960), (875, 1904), (952, 1750), (980, 1700), (1000, 1666), (1190, 1400), (1225, 1360)]