321580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2297}}^1$

素因数の和:2313

約数の個数: 24

約数和(自身を含む): 772128

約数和(自身を除く): 450548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2297, 4594, 9188, 11485, 16079, 22970, 32158, 45940, 64316, 80395, 160790, 321580]

約数ペア:

[(1, 321580), (2, 160790), (4, 80395), (5, 64316), (7, 45940), (10, 32158), (14, 22970), (20, 16079), (28, 11485), (35, 9188), (70, 4594), (140, 2297)]