998800

素因数分解:

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

素因数の和:256

約数の個数: 60

約数和(自身を含む): 2629296

約数和(自身を除く): 1630496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 227, 275, 400, 440, 454, 550, 880, 908, 1100, 1135, 1816, 2200, 2270, 2497, 3632, 4400, 4540, 4994, 5675, 9080, 9988, 11350, 12485, 18160, 19976, 22700, 24970, 39952, 45400, 49940, 62425, 90800, 99880, 124850, 199760, 249700, 499400, 998800]

約数ペア:

[(1, 998800), (2, 499400), (4, 249700), (5, 199760), (8, 124850), (10, 99880), (11, 90800), (16, 62425), (20, 49940), (22, 45400), (25, 39952), (40, 24970), (44, 22700), (50, 19976), (55, 18160), (80, 12485), (88, 11350), (100, 9988), (110, 9080), (176, 5675), (200, 4994), (220, 4540), (227, 4400), (275, 3632), (400, 2497), (440, 2270), (454, 2200), (550, 1816), (880, 1135), (908, 1100)]