1997600

素因数分解:

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

素因数の和:258

約数の個数: 72

約数和(自身を含む): 5343408

約数和(自身を除く): 3345808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 227, 275, 352, 400, 440, 454, 550, 800, 880, 908, 1100, 1135, 1760, 1816, 2200, 2270, 2497, 3632, 4400, 4540, 4994, 5675, 7264, 8800, 9080, 9988, 11350, 12485, 18160, 19976, 22700, 24970, 36320, 39952, 45400, 49940, 62425, 79904, 90800, 99880, 124850, 181600, 199760, 249700, 399520, 499400, 998800, 1997600]

約数ペア:

[(1, 1997600), (2, 998800), (4, 499400), (5, 399520), (8, 249700), (10, 199760), (11, 181600), (16, 124850), (20, 99880), (22, 90800), (25, 79904), (32, 62425), (40, 49940), (44, 45400), (50, 39952), (55, 36320), (80, 24970), (88, 22700), (100, 19976), (110, 18160), (160, 12485), (176, 11350), (200, 9988), (220, 9080), (227, 8800), (275, 7264), (352, 5675), (400, 4994), (440, 4540), (454, 4400), (550, 3632), (800, 2497), (880, 2270), (908, 2200), (1100, 1816), (1135, 1760)]