1960000

素因数分解:

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

素因数の和:46

約数の個数: 105

約数和(自身を含む): 5653659

約数和(自身を除く): 3693659

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 320, 350, 392, 400, 448, 490, 500, 560, 625, 700, 784, 800, 875, 980, 1000, 1120, 1225, 1250, 1400, 1568, 1600, 1750, 1960, 2000, 2240, 2450, 2500, 2800, 3136, 3500, 3920, 4000, 4375, 4900, 5000, 5600, 6125, 7000, 7840, 8000, 8750, 9800, 10000, 11200, 12250, 14000, 15680, 17500, 19600, 20000, 24500, 28000, 30625, 35000, 39200, 40000, 49000, 56000, 61250, 70000, 78400, 98000, 122500, 140000, 196000, 245000, 280000, 392000, 490000, 980000, 1960000]

約数ペア:

[(1, 1960000), (2, 980000), (4, 490000), (5, 392000), (7, 280000), (8, 245000), (10, 196000), (14, 140000), (16, 122500), (20, 98000), (25, 78400), (28, 70000), (32, 61250), (35, 56000), (40, 49000), (49, 40000), (50, 39200), (56, 35000), (64, 30625), (70, 28000), (80, 24500), (98, 20000), (100, 19600), (112, 17500), (125, 15680), (140, 14000), (160, 12250), (175, 11200), (196, 10000), (200, 9800), (224, 8750), (245, 8000), (250, 7840), (280, 7000), (320, 6125), (350, 5600), (392, 5000), (400, 4900), (448, 4375), (490, 4000), (500, 3920), (560, 3500), (625, 3136), (700, 2800), (784, 2500), (800, 2450), (875, 2240), (980, 2000), (1000, 1960), (1120, 1750), (1225, 1600), (1250, 1568)]