2199890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2857}}^1$

素因数の和:2882

約数の個数: 32

約数和(自身を含む): 4938624

約数和(自身を除く): 2738734

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 2857, 5714, 14285, 19999, 28570, 31427, 39998, 62854, 99995, 157135, 199990, 219989, 314270, 439978, 1099945, 2199890]

約数ペア:

[(1, 2199890), (2, 1099945), (5, 439978), (7, 314270), (10, 219989), (11, 199990), (14, 157135), (22, 99995), (35, 62854), (55, 39998), (70, 31427), (77, 28570), (110, 19999), (154, 14285), (385, 5714), (770, 2857)]