2149000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{307}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 5765760

約数和(自身を除く): 3616760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 307, 350, 500, 614, 700, 875, 1000, 1228, 1400, 1535, 1750, 2149, 2456, 3070, 3500, 4298, 6140, 7000, 7675, 8596, 10745, 12280, 15350, 17192, 21490, 30700, 38375, 42980, 53725, 61400, 76750, 85960, 107450, 153500, 214900, 268625, 307000, 429800, 537250, 1074500, 2149000]

約数ペア:

[(1, 2149000), (2, 1074500), (4, 537250), (5, 429800), (7, 307000), (8, 268625), (10, 214900), (14, 153500), (20, 107450), (25, 85960), (28, 76750), (35, 61400), (40, 53725), (50, 42980), (56, 38375), (70, 30700), (100, 21490), (125, 17192), (140, 15350), (175, 12280), (200, 10745), (250, 8596), (280, 7675), (307, 7000), (350, 6140), (500, 4298), (614, 3500), (700, 3070), (875, 2456), (1000, 2149), (1228, 1750), (1400, 1535)]