2590000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{37}}^1$

素因数の和:72

約数の個数: 100

約数和(自身を含む): 7360144

約数和(自身を除く): 4770144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 37, 40, 50, 56, 70, 74, 80, 100, 112, 125, 140, 148, 175, 185, 200, 250, 259, 280, 296, 350, 370, 400, 500, 518, 560, 592, 625, 700, 740, 875, 925, 1000, 1036, 1250, 1295, 1400, 1480, 1750, 1850, 2000, 2072, 2500, 2590, 2800, 2960, 3500, 3700, 4144, 4375, 4625, 5000, 5180, 6475, 7000, 7400, 8750, 9250, 10000, 10360, 12950, 14000, 14800, 17500, 18500, 20720, 23125, 25900, 32375, 35000, 37000, 46250, 51800, 64750, 70000, 74000, 92500, 103600, 129500, 161875, 185000, 259000, 323750, 370000, 518000, 647500, 1295000, 2590000]

約数ペア:

[(1, 2590000), (2, 1295000), (4, 647500), (5, 518000), (7, 370000), (8, 323750), (10, 259000), (14, 185000), (16, 161875), (20, 129500), (25, 103600), (28, 92500), (35, 74000), (37, 70000), (40, 64750), (50, 51800), (56, 46250), (70, 37000), (74, 35000), (80, 32375), (100, 25900), (112, 23125), (125, 20720), (140, 18500), (148, 17500), (175, 14800), (185, 14000), (200, 12950), (250, 10360), (259, 10000), (280, 9250), (296, 8750), (350, 7400), (370, 7000), (400, 6475), (500, 5180), (518, 5000), (560, 4625), (592, 4375), (625, 4144), (700, 3700), (740, 3500), (875, 2960), (925, 2800), (1000, 2590), (1036, 2500), (1250, 2072), (1295, 2000), (1400, 1850), (1480, 1750)]