2485000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{71}}^1$

素因数の和:104

約数の個数: 80

約数和(自身を含む): 6747840

約数和(自身を除く): 4262840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 71, 100, 125, 140, 142, 175, 200, 250, 280, 284, 350, 355, 497, 500, 568, 625, 700, 710, 875, 994, 1000, 1250, 1400, 1420, 1750, 1775, 1988, 2485, 2500, 2840, 3500, 3550, 3976, 4375, 4970, 5000, 7000, 7100, 8750, 8875, 9940, 12425, 14200, 17500, 17750, 19880, 24850, 35000, 35500, 44375, 49700, 62125, 71000, 88750, 99400, 124250, 177500, 248500, 310625, 355000, 497000, 621250, 1242500, 2485000]

約数ペア:

[(1, 2485000), (2, 1242500), (4, 621250), (5, 497000), (7, 355000), (8, 310625), (10, 248500), (14, 177500), (20, 124250), (25, 99400), (28, 88750), (35, 71000), (40, 62125), (50, 49700), (56, 44375), (70, 35500), (71, 35000), (100, 24850), (125, 19880), (140, 17750), (142, 17500), (175, 14200), (200, 12425), (250, 9940), (280, 8875), (284, 8750), (350, 7100), (355, 7000), (497, 5000), (500, 4970), (568, 4375), (625, 3976), (700, 3550), (710, 3500), (875, 2840), (994, 2500), (1000, 2485), (1250, 1988), (1400, 1775), (1420, 1750)]