9988000

素因数分解:

$2^5\times 5^3\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 26889408

約数和(自身を除く): 16901408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 125, 160, 176, 200, 220, 227, 250, 275, 352, 400, 440, 454, 500, 550, 800, 880, 908, 1000, 1100, 1135, 1375, 1760, 1816, 2000, 2200, 2270, 2497, 2750, 3632, 4000, 4400, 4540, 4994, 5500, 5675, 7264, 8800, 9080, 9988, 11000, 11350, 12485, 18160, 19976, 22000, 22700, 24970, 28375, 36320, 39952, 44000, 45400, 49940, 56750, 62425, 79904, 90800, 99880, 113500, 124850, 181600, 199760, 227000, 249700, 312125, 399520, 454000, 499400, 624250, 908000, 998800, 1248500, 1997600, 2497000, 4994000, 9988000]

約数ペア:

[(1, 9988000), (2, 4994000), (4, 2497000), (5, 1997600), (8, 1248500), (10, 998800), (11, 908000), (16, 624250), (20, 499400), (22, 454000), (25, 399520), (32, 312125), (40, 249700), (44, 227000), (50, 199760), (55, 181600), (80, 124850), (88, 113500), (100, 99880), (110, 90800), (125, 79904), (160, 62425), (176, 56750), (200, 49940), (220, 45400), (227, 44000), (250, 39952), (275, 36320), (352, 28375), (400, 24970), (440, 22700), (454, 22000), (500, 19976), (550, 18160), (800, 12485), (880, 11350), (908, 11000), (1000, 9988), (1100, 9080), (1135, 8800), (1375, 7264), (1760, 5675), (1816, 5500), (2000, 4994), (2200, 4540), (2270, 4400), (2497, 4000), (2750, 3632)]