38989580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{278497}}^1$

素因数の和:278513

約数の個数: 24

約数和(自身を含む): 93575328

約数和(自身を除く): 54585748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 278497, 556994, 1113988, 1392485, 1949479, 2784970, 3898958, 5569940, 7797916, 9747395, 19494790, 38989580]

約数ペア:

[(1, 38989580), (2, 19494790), (4, 9747395), (5, 7797916), (7, 5569940), (10, 3898958), (14, 2784970), (20, 1949479), (28, 1392485), (35, 1113988), (70, 556994), (140, 278497)]