2199560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4999}}^1$

素因数の和:5021

約数の個数: 32

約数和(自身を含む): 5400000

約数和(自身を除く): 3200440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4999, 9998, 19996, 24995, 39992, 49990, 54989, 99980, 109978, 199960, 219956, 274945, 439912, 549890, 1099780, 2199560]

約数ペア:

[(1, 2199560), (2, 1099780), (4, 549890), (5, 439912), (8, 274945), (10, 219956), (11, 199960), (20, 109978), (22, 99980), (40, 54989), (44, 49990), (55, 39992), (88, 24995), (110, 19996), (220, 9998), (440, 4999)]