799000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:85

約数の個数: 64

約数和(自身を含む): 2021760

約数和(自身を除く): 1222760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 47, 50, 68, 85, 94, 100, 125, 136, 170, 188, 200, 235, 250, 340, 376, 425, 470, 500, 680, 799, 850, 940, 1000, 1175, 1598, 1700, 1880, 2125, 2350, 3196, 3400, 3995, 4250, 4700, 5875, 6392, 7990, 8500, 9400, 11750, 15980, 17000, 19975, 23500, 31960, 39950, 47000, 79900, 99875, 159800, 199750, 399500, 799000]

約数ペア:

[(1, 799000), (2, 399500), (4, 199750), (5, 159800), (8, 99875), (10, 79900), (17, 47000), (20, 39950), (25, 31960), (34, 23500), (40, 19975), (47, 17000), (50, 15980), (68, 11750), (85, 9400), (94, 8500), (100, 7990), (125, 6392), (136, 5875), (170, 4700), (188, 4250), (200, 3995), (235, 3400), (250, 3196), (340, 2350), (376, 2125), (425, 1880), (470, 1700), (500, 1598), (680, 1175), (799, 1000), (850, 940)]