3115000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{89}}^1$

素因数の和:122

約数の個数: 80

約数和(自身を含む): 8434800

約数和(自身を除く): 5319800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 89, 100, 125, 140, 175, 178, 200, 250, 280, 350, 356, 445, 500, 623, 625, 700, 712, 875, 890, 1000, 1246, 1250, 1400, 1750, 1780, 2225, 2492, 2500, 3115, 3500, 3560, 4375, 4450, 4984, 5000, 6230, 7000, 8750, 8900, 11125, 12460, 15575, 17500, 17800, 22250, 24920, 31150, 35000, 44500, 55625, 62300, 77875, 89000, 111250, 124600, 155750, 222500, 311500, 389375, 445000, 623000, 778750, 1557500, 3115000]

約数ペア:

[(1, 3115000), (2, 1557500), (4, 778750), (5, 623000), (7, 445000), (8, 389375), (10, 311500), (14, 222500), (20, 155750), (25, 124600), (28, 111250), (35, 89000), (40, 77875), (50, 62300), (56, 55625), (70, 44500), (89, 35000), (100, 31150), (125, 24920), (140, 22250), (175, 17800), (178, 17500), (200, 15575), (250, 12460), (280, 11125), (350, 8900), (356, 8750), (445, 7000), (500, 6230), (623, 5000), (625, 4984), (700, 4450), (712, 4375), (875, 3560), (890, 3500), (1000, 3115), (1246, 2500), (1250, 2492), (1400, 2225), (1750, 1780)]