3430000

素因数分解:

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

素因数の和:49

約数の個数: 100

約数和(自身を含む): 9684400

約数和(自身を除く): 6254400

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, 3430, 3500, 3920, 4375, 4900, 5000, 5488, 6125, 6860, 7000, 8575, 8750, 9800, 10000, 12250, 13720, 14000, 17150, 17500, 19600, 24500, 27440, 30625, 34300, 35000, 42875, 49000, 61250, 68600, 70000, 85750, 98000, 122500, 137200, 171500, 214375, 245000, 343000, 428750, 490000, 686000, 857500, 1715000, 3430000]

約数ペア:

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