19976000

素因数分解:

$2^6\times 5^3\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:265

約数の個数: 112

約数和(自身を含む): 54205632

約数和(自身を除く): 34229632

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 160, 176, 200, 220, 227, 250, 275, 320, 352, 400, 440, 454, 500, 550, 704, 800, 880, 908, 1000, 1100, 1135, 1375, 1600, 1760, 1816, 2000, 2200, 2270, 2497, 2750, 3520, 3632, 4000, 4400, 4540, 4994, 5500, 5675, 7264, 8000, 8800, 9080, 9988, 11000, 11350, 12485, 14528, 17600, 18160, 19976, 22000, 22700, 24970, 28375, 36320, 39952, 44000, 45400, 49940, 56750, 62425, 72640, 79904, 88000, 90800, 99880, 113500, 124850, 159808, 181600, 199760, 227000, 249700, 312125, 363200, 399520, 454000, 499400, 624250, 799040, 908000, 998800, 1248500, 1816000, 1997600, 2497000, 3995200, 4994000, 9988000, 19976000]

約数ペア:

[(1, 19976000), (2, 9988000), (4, 4994000), (5, 3995200), (8, 2497000), (10, 1997600), (11, 1816000), (16, 1248500), (20, 998800), (22, 908000), (25, 799040), (32, 624250), (40, 499400), (44, 454000), (50, 399520), (55, 363200), (64, 312125), (80, 249700), (88, 227000), (100, 199760), (110, 181600), (125, 159808), (160, 124850), (176, 113500), (200, 99880), (220, 90800), (227, 88000), (250, 79904), (275, 72640), (320, 62425), (352, 56750), (400, 49940), (440, 45400), (454, 44000), (500, 39952), (550, 36320), (704, 28375), (800, 24970), (880, 22700), (908, 22000), (1000, 19976), (1100, 18160), (1135, 17600), (1375, 14528), (1600, 12485), (1760, 11350), (1816, 11000), (2000, 9988), (2200, 9080), (2270, 8800), (2497, 8000), (2750, 7264), (3520, 5675), (3632, 5500), (4000, 4994), (4400, 4540)]