28126000

素因数分解:

$2^4\times 5^3\times 7^3\times {\mathrm{41}}^1$

素因数の和:85

約数の個数: 160

約数和(自身を含む): 81244800

約数和(自身を除く): 53118800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 41, 49, 50, 56, 70, 80, 82, 98, 100, 112, 125, 140, 164, 175, 196, 200, 205, 245, 250, 280, 287, 328, 343, 350, 392, 400, 410, 490, 500, 560, 574, 656, 686, 700, 784, 820, 875, 980, 1000, 1025, 1148, 1225, 1372, 1400, 1435, 1640, 1715, 1750, 1960, 2000, 2009, 2050, 2296, 2450, 2744, 2800, 2870, 3280, 3430, 3500, 3920, 4018, 4100, 4592, 4900, 5125, 5488, 5740, 6125, 6860, 7000, 7175, 8036, 8200, 8575, 9800, 10045, 10250, 11480, 12250, 13720, 14000, 14063, 14350, 16072, 16400, 17150, 19600, 20090, 20500, 22960, 24500, 27440, 28126, 28700, 32144, 34300, 35875, 40180, 41000, 42875, 49000, 50225, 56252, 57400, 68600, 70315, 71750, 80360, 82000, 85750, 98000, 100450, 112504, 114800, 137200, 140630, 143500, 160720, 171500, 200900, 225008, 251125, 281260, 287000, 343000, 351575, 401800, 502250, 562520, 574000, 686000, 703150, 803600, 1004500, 1125040, 1406300, 1757875, 2009000, 2812600, 3515750, 4018000, 5625200, 7031500, 14063000, 28126000]

約数ペア:

[(1, 28126000), (2, 14063000), (4, 7031500), (5, 5625200), (7, 4018000), (8, 3515750), (10, 2812600), (14, 2009000), (16, 1757875), (20, 1406300), (25, 1125040), (28, 1004500), (35, 803600), (40, 703150), (41, 686000), (49, 574000), (50, 562520), (56, 502250), (70, 401800), (80, 351575), (82, 343000), (98, 287000), (100, 281260), (112, 251125), (125, 225008), (140, 200900), (164, 171500), (175, 160720), (196, 143500), (200, 140630), (205, 137200), (245, 114800), (250, 112504), (280, 100450), (287, 98000), (328, 85750), (343, 82000), (350, 80360), (392, 71750), (400, 70315), (410, 68600), (490, 57400), (500, 56252), (560, 50225), (574, 49000), (656, 42875), (686, 41000), (700, 40180), (784, 35875), (820, 34300), (875, 32144), (980, 28700), (1000, 28126), (1025, 27440), (1148, 24500), (1225, 22960), (1372, 20500), (1400, 20090), (1435, 19600), (1640, 17150), (1715, 16400), (1750, 16072), (1960, 14350), (2000, 14063), (2009, 14000), (2050, 13720), (2296, 12250), (2450, 11480), (2744, 10250), (2800, 10045), (2870, 9800), (3280, 8575), (3430, 8200), (3500, 8036), (3920, 7175), (4018, 7000), (4100, 6860), (4592, 6125), (4900, 5740), (5125, 5488)]