2169580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15497}}^1$

素因数の和:15513

約数の個数: 24

約数和(自身を含む): 5207328

約数和(自身を除く): 3037748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15497, 30994, 61988, 77485, 108479, 154970, 216958, 309940, 433916, 542395, 1084790, 2169580]

約数ペア:

[(1, 2169580), (2, 1084790), (4, 542395), (5, 433916), (7, 309940), (10, 216958), (14, 154970), (20, 108479), (28, 77485), (35, 61988), (70, 30994), (140, 15497)]