700000

素因数分解:

$2^5\times 5^5\times 7^1$

素因数の和:42

約数の個数: 72

約数和(自身を含む): 1968624

約数和(自身を除く): 1268624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 350, 400, 500, 560, 625, 700, 800, 875, 1000, 1120, 1250, 1400, 1750, 2000, 2500, 2800, 3125, 3500, 4000, 4375, 5000, 5600, 6250, 7000, 8750, 10000, 12500, 14000, 17500, 20000, 21875, 25000, 28000, 35000, 43750, 50000, 70000, 87500, 100000, 140000, 175000, 350000, 700000]

約数ペア:

[(1, 700000), (2, 350000), (4, 175000), (5, 140000), (7, 100000), (8, 87500), (10, 70000), (14, 50000), (16, 43750), (20, 35000), (25, 28000), (28, 25000), (32, 21875), (35, 20000), (40, 17500), (50, 14000), (56, 12500), (70, 10000), (80, 8750), (100, 7000), (112, 6250), (125, 5600), (140, 5000), (160, 4375), (175, 4000), (200, 3500), (224, 3125), (250, 2800), (280, 2500), (350, 2000), (400, 1750), (500, 1400), (560, 1250), (625, 1120), (700, 1000), (800, 875)]