1880000

素因数分解:

$2^6\times 5^4\times {\mathrm{47}}^1$

素因数の和:79

約数の個数: 70

約数和(自身を含む): 4760976

約数和(自身を除く): 2880976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 64, 80, 94, 100, 125, 160, 188, 200, 235, 250, 320, 376, 400, 470, 500, 625, 752, 800, 940, 1000, 1175, 1250, 1504, 1600, 1880, 2000, 2350, 2500, 3008, 3760, 4000, 4700, 5000, 5875, 7520, 8000, 9400, 10000, 11750, 15040, 18800, 20000, 23500, 29375, 37600, 40000, 47000, 58750, 75200, 94000, 117500, 188000, 235000, 376000, 470000, 940000, 1880000]

約数ペア:

[(1, 1880000), (2, 940000), (4, 470000), (5, 376000), (8, 235000), (10, 188000), (16, 117500), (20, 94000), (25, 75200), (32, 58750), (40, 47000), (47, 40000), (50, 37600), (64, 29375), (80, 23500), (94, 20000), (100, 18800), (125, 15040), (160, 11750), (188, 10000), (200, 9400), (235, 8000), (250, 7520), (320, 5875), (376, 5000), (400, 4700), (470, 4000), (500, 3760), (625, 3008), (752, 2500), (800, 2350), (940, 2000), (1000, 1880), (1175, 1600), (1250, 1504)]