69789580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{498497}}^1$

素因数の和:498513

約数の個数: 24

約数和(自身を含む): 167495328

約数和(自身を除く): 97705748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 498497, 996994, 1993988, 2492485, 3489479, 4984970, 6978958, 9969940, 13957916, 17447395, 34894790, 69789580]

約数ペア:

[(1, 69789580), (2, 34894790), (4, 17447395), (5, 13957916), (7, 9969940), (10, 6978958), (14, 4984970), (20, 3489479), (28, 2492485), (35, 1993988), (70, 996994), (140, 498497)]