2698000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:113

約数の個数: 80

約数和(自身を含む): 6963840

約数和(自身を除く): 4265840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 71, 76, 80, 95, 100, 125, 142, 152, 190, 200, 250, 284, 304, 355, 380, 400, 475, 500, 568, 710, 760, 950, 1000, 1136, 1349, 1420, 1520, 1775, 1900, 2000, 2375, 2698, 2840, 3550, 3800, 4750, 5396, 5680, 6745, 7100, 7600, 8875, 9500, 10792, 13490, 14200, 17750, 19000, 21584, 26980, 28400, 33725, 35500, 38000, 53960, 67450, 71000, 107920, 134900, 142000, 168625, 269800, 337250, 539600, 674500, 1349000, 2698000]

約数ペア:

[(1, 2698000), (2, 1349000), (4, 674500), (5, 539600), (8, 337250), (10, 269800), (16, 168625), (19, 142000), (20, 134900), (25, 107920), (38, 71000), (40, 67450), (50, 53960), (71, 38000), (76, 35500), (80, 33725), (95, 28400), (100, 26980), (125, 21584), (142, 19000), (152, 17750), (190, 14200), (200, 13490), (250, 10792), (284, 9500), (304, 8875), (355, 7600), (380, 7100), (400, 6745), (475, 5680), (500, 5396), (568, 4750), (710, 3800), (760, 3550), (950, 2840), (1000, 2698), (1136, 2375), (1349, 2000), (1420, 1900), (1520, 1775)]