499400

素因数分解:

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

素因数の和:254

約数の個数: 48

約数和(自身を含む): 1272240

約数和(自身を除く): 772840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 227, 275, 440, 454, 550, 908, 1100, 1135, 1816, 2200, 2270, 2497, 4540, 4994, 5675, 9080, 9988, 11350, 12485, 19976, 22700, 24970, 45400, 49940, 62425, 99880, 124850, 249700, 499400]

約数ペア:

[(1, 499400), (2, 249700), (4, 124850), (5, 99880), (8, 62425), (10, 49940), (11, 45400), (20, 24970), (22, 22700), (25, 19976), (40, 12485), (44, 11350), (50, 9988), (55, 9080), (88, 5675), (100, 4994), (110, 4540), (200, 2497), (220, 2270), (227, 2200), (275, 1816), (440, 1135), (454, 1100), (550, 908)]