394122020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{856787}}^1$

素因数の和:856819

約数の個数: 24

約数和(自身を含む): 863642304

約数和(自身を除く): 469520284

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 856787, 1713574, 3427148, 4283935, 8567870, 17135740, 19706101, 39412202, 78824404, 98530505, 197061010, 394122020]

約数ペア:

[(1, 394122020), (2, 197061010), (4, 98530505), (5, 78824404), (10, 39412202), (20, 19706101), (23, 17135740), (46, 8567870), (92, 4283935), (115, 3427148), (230, 1713574), (460, 856787)]