518000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{37}}^1$

素因数の和:67

約数の個数: 80

約数和(自身を含む): 1470144

約数和(自身を除く): 952144

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, 700, 740, 875, 925, 1000, 1036, 1295, 1400, 1480, 1750, 1850, 2000, 2072, 2590, 2800, 2960, 3500, 3700, 4144, 4625, 5180, 6475, 7000, 7400, 9250, 10360, 12950, 14000, 14800, 18500, 20720, 25900, 32375, 37000, 51800, 64750, 74000, 103600, 129500, 259000, 518000]

約数ペア:

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