15399230

素因数分解:

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

素因数の和:2889

約数の個数: 48

約数和(自身を含む): 35187696

約数和(自身を除く): 19788466

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 2857, 5390, 5714, 14285, 19999, 28570, 31427, 39998, 62854, 99995, 139993, 157135, 199990, 219989, 279986, 314270, 439978, 699965, 1099945, 1399930, 1539923, 2199890, 3079846, 7699615, 15399230]

約数ペア:

[(1, 15399230), (2, 7699615), (5, 3079846), (7, 2199890), (10, 1539923), (11, 1399930), (14, 1099945), (22, 699965), (35, 439978), (49, 314270), (55, 279986), (70, 219989), (77, 199990), (98, 157135), (110, 139993), (154, 99995), (245, 62854), (385, 39998), (490, 31427), (539, 28570), (770, 19999), (1078, 14285), (2695, 5714), (2857, 5390)]