2901800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1319}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 7365600

約数和(自身を除く): 4463800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 1319, 2200, 2638, 5276, 6595, 10552, 13190, 14509, 26380, 29018, 32975, 52760, 58036, 65950, 72545, 116072, 131900, 145090, 263800, 290180, 362725, 580360, 725450, 1450900, 2901800]

約数ペア:

[(1, 2901800), (2, 1450900), (4, 725450), (5, 580360), (8, 362725), (10, 290180), (11, 263800), (20, 145090), (22, 131900), (25, 116072), (40, 72545), (44, 65950), (50, 58036), (55, 52760), (88, 32975), (100, 29018), (110, 26380), (200, 14509), (220, 13190), (275, 10552), (440, 6595), (550, 5276), (1100, 2638), (1319, 2200)]