199456780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{343891}}^1$

素因数の和:343929

約数の個数: 24

約数和(自身を含む): 433303920

約数和(自身を除く): 233847140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 343891, 687782, 1375564, 1719455, 3438910, 6877820, 9972839, 19945678, 39891356, 49864195, 99728390, 199456780]

約数ペア:

[(1, 199456780), (2, 99728390), (4, 49864195), (5, 39891356), (10, 19945678), (20, 9972839), (29, 6877820), (58, 3438910), (116, 1719455), (145, 1375564), (290, 687782), (580, 343891)]