217895360

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6247}}^1$

素因数の和:6373

約数の個数: 56

約数和(自身を含む): 523707360

約数和(自身を除く): 305812000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 6247, 6976, 8720, 12494, 17440, 24988, 31235, 34880, 49976, 62470, 99952, 124940, 199904, 249880, 399808, 499760, 680923, 999520, 1361846, 1999040, 2723692, 3404615, 5447384, 6809230, 10894768, 13618460, 21789536, 27236920, 43579072, 54473840, 108947680, 217895360]

約数ペア:

[(1, 217895360), (2, 108947680), (4, 54473840), (5, 43579072), (8, 27236920), (10, 21789536), (16, 13618460), (20, 10894768), (32, 6809230), (40, 5447384), (64, 3404615), (80, 2723692), (109, 1999040), (160, 1361846), (218, 999520), (320, 680923), (436, 499760), (545, 399808), (872, 249880), (1090, 199904), (1744, 124940), (2180, 99952), (3488, 62470), (4360, 49976), (6247, 34880), (6976, 31235), (8720, 24988), (12494, 17440)]