4994000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:261

約数の個数: 80

約数和(自身を含む): 13231296

約数和(自身を除く): 8237296

約数列:

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

約数ペア:

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