30990950

素因数分解:

$2^1\times 5^2\times {\mathrm{619819}}^1$

素因数の和:619831

約数の個数: 12

約数和(自身を含む): 57643260

約数和(自身を除く): 26652310

約数列:

[1, 2, 5, 10, 25, 50, 619819, 1239638, 3099095, 6198190, 15495475, 30990950]

約数ペア:

[(1, 30990950), (2, 15495475), (5, 6198190), (10, 3099095), (25, 1239638), (50, 619819)]