9994000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:305

約数の個数: 80

約数和(自身を含む): 25534080

約数和(自身を除く): 15540080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 250, 263, 304, 380, 400, 475, 500, 526, 760, 950, 1000, 1052, 1315, 1520, 1900, 2000, 2104, 2375, 2630, 3800, 4208, 4750, 4997, 5260, 6575, 7600, 9500, 9994, 10520, 13150, 19000, 19988, 21040, 24985, 26300, 32875, 38000, 39976, 49970, 52600, 65750, 79952, 99940, 105200, 124925, 131500, 199880, 249850, 263000, 399760, 499700, 526000, 624625, 999400, 1249250, 1998800, 2498500, 4997000, 9994000]

約数ペア:

[(1, 9994000), (2, 4997000), (4, 2498500), (5, 1998800), (8, 1249250), (10, 999400), (16, 624625), (19, 526000), (20, 499700), (25, 399760), (38, 263000), (40, 249850), (50, 199880), (76, 131500), (80, 124925), (95, 105200), (100, 99940), (125, 79952), (152, 65750), (190, 52600), (200, 49970), (250, 39976), (263, 38000), (304, 32875), (380, 26300), (400, 24985), (475, 21040), (500, 19988), (526, 19000), (760, 13150), (950, 10520), (1000, 9994), (1052, 9500), (1315, 7600), (1520, 6575), (1900, 5260), (2000, 4997), (2104, 4750), (2375, 4208), (2630, 3800)]