6860000

素因数分解:

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

素因数の和:51

約数の個数: 120

約数和(自身を含む): 19681200

約数和(自身を除く): 12821200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 343, 350, 392, 400, 490, 500, 560, 625, 686, 700, 784, 800, 875, 980, 1000, 1120, 1225, 1250, 1372, 1400, 1568, 1715, 1750, 1960, 2000, 2450, 2500, 2744, 2800, 3430, 3500, 3920, 4000, 4375, 4900, 5000, 5488, 5600, 6125, 6860, 7000, 7840, 8575, 8750, 9800, 10000, 10976, 12250, 13720, 14000, 17150, 17500, 19600, 20000, 24500, 27440, 28000, 30625, 34300, 35000, 39200, 42875, 49000, 54880, 61250, 68600, 70000, 85750, 98000, 122500, 137200, 140000, 171500, 196000, 214375, 245000, 274400, 343000, 428750, 490000, 686000, 857500, 980000, 1372000, 1715000, 3430000, 6860000]

約数ペア:

[(1, 6860000), (2, 3430000), (4, 1715000), (5, 1372000), (7, 980000), (8, 857500), (10, 686000), (14, 490000), (16, 428750), (20, 343000), (25, 274400), (28, 245000), (32, 214375), (35, 196000), (40, 171500), (49, 140000), (50, 137200), (56, 122500), (70, 98000), (80, 85750), (98, 70000), (100, 68600), (112, 61250), (125, 54880), (140, 49000), (160, 42875), (175, 39200), (196, 35000), (200, 34300), (224, 30625), (245, 28000), (250, 27440), (280, 24500), (343, 20000), (350, 19600), (392, 17500), (400, 17150), (490, 14000), (500, 13720), (560, 12250), (625, 10976), (686, 10000), (700, 9800), (784, 8750), (800, 8575), (875, 7840), (980, 7000), (1000, 6860), (1120, 6125), (1225, 5600), (1250, 5488), (1372, 5000), (1400, 4900), (1568, 4375), (1715, 4000), (1750, 3920), (1960, 3500), (2000, 3430), (2450, 2800), (2500, 2744)]