823689580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2099}}^1\times {\mathrm{2803}}^1$

素因数の和:4918

約数の個数: 48

約数和(自身を含む): 1978502400

約数和(自身を除く): 1154812820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2099, 2803, 4198, 5606, 8396, 10495, 11212, 14015, 14693, 19621, 20990, 28030, 29386, 39242, 41980, 56060, 58772, 73465, 78484, 98105, 146930, 196210, 293860, 392420, 5883497, 11766994, 23533988, 29417485, 41184479, 58834970, 82368958, 117669940, 164737916, 205922395, 411844790, 823689580]

約数ペア:

[(1, 823689580), (2, 411844790), (4, 205922395), (5, 164737916), (7, 117669940), (10, 82368958), (14, 58834970), (20, 41184479), (28, 29417485), (35, 23533988), (70, 11766994), (140, 5883497), (2099, 392420), (2803, 293860), (4198, 196210), (5606, 146930), (8396, 98105), (10495, 78484), (11212, 73465), (14015, 58772), (14693, 56060), (19621, 41980), (20990, 39242), (28030, 29386)]