85750000

素因数分解:

$2^4\times 5^6\times 7^3$

素因数の和:59

約数の個数: 140

約数和(自身を含む): 242184400

約数和(自身を除く): 156434400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 343, 350, 392, 400, 490, 500, 560, 625, 686, 700, 784, 875, 980, 1000, 1225, 1250, 1372, 1400, 1715, 1750, 1960, 2000, 2450, 2500, 2744, 2800, 3125, 3430, 3500, 3920, 4375, 4900, 5000, 5488, 6125, 6250, 6860, 7000, 8575, 8750, 9800, 10000, 12250, 12500, 13720, 14000, 15625, 17150, 17500, 19600, 21875, 24500, 25000, 27440, 30625, 31250, 34300, 35000, 42875, 43750, 49000, 50000, 61250, 62500, 68600, 70000, 85750, 87500, 98000, 109375, 122500, 125000, 137200, 153125, 171500, 175000, 214375, 218750, 245000, 250000, 306250, 343000, 350000, 428750, 437500, 490000, 612500, 686000, 765625, 857500, 875000, 1071875, 1225000, 1531250, 1715000, 1750000, 2143750, 2450000, 3062500, 3430000, 4287500, 5359375, 6125000, 8575000, 10718750, 12250000, 17150000, 21437500, 42875000, 85750000]

約数ペア:

[(1, 85750000), (2, 42875000), (4, 21437500), (5, 17150000), (7, 12250000), (8, 10718750), (10, 8575000), (14, 6125000), (16, 5359375), (20, 4287500), (25, 3430000), (28, 3062500), (35, 2450000), (40, 2143750), (49, 1750000), (50, 1715000), (56, 1531250), (70, 1225000), (80, 1071875), (98, 875000), (100, 857500), (112, 765625), (125, 686000), (140, 612500), (175, 490000), (196, 437500), (200, 428750), (245, 350000), (250, 343000), (280, 306250), (343, 250000), (350, 245000), (392, 218750), (400, 214375), (490, 175000), (500, 171500), (560, 153125), (625, 137200), (686, 125000), (700, 122500), (784, 109375), (875, 98000), (980, 87500), (1000, 85750), (1225, 70000), (1250, 68600), (1372, 62500), (1400, 61250), (1715, 50000), (1750, 49000), (1960, 43750), (2000, 42875), (2450, 35000), (2500, 34300), (2744, 31250), (2800, 30625), (3125, 27440), (3430, 25000), (3500, 24500), (3920, 21875), (4375, 19600), (4900, 17500), (5000, 17150), (5488, 15625), (6125, 14000), (6250, 13720), (6860, 12500), (7000, 12250), (8575, 10000), (8750, 9800)]