30798020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139991}}^1$

素因数の和:140011

約数の個数: 24

約数和(自身を含む): 70555968

約数和(自身を除く): 39757948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 139991, 279982, 559964, 699955, 1399910, 1539901, 2799820, 3079802, 6159604, 7699505, 15399010, 30798020]

約数ペア:

[(1, 30798020), (2, 15399010), (4, 7699505), (5, 6159604), (10, 3079802), (11, 2799820), (20, 1539901), (22, 1399910), (44, 699955), (55, 559964), (110, 279982), (220, 139991)]