42875000

素因数分解:

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

素因数の和:57

約数の個数: 112

約数和(自身を含む): 117186000

約数和(自身を除く): 74311000

約数列:

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

約数ペア:

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