178430260

素因数分解:

$2^2\times 5^1\times {\mathrm{2029}}^1\times {\mathrm{4397}}^1$

素因数の和:6435

約数の個数: 24

約数和(自身を含む): 374973480

約数和(自身を除く): 196543220

約数列:

[1, 2, 4, 5, 10, 20, 2029, 4058, 4397, 8116, 8794, 10145, 17588, 20290, 21985, 40580, 43970, 87940, 8921513, 17843026, 35686052, 44607565, 89215130, 178430260]

約数ペア:

[(1, 178430260), (2, 89215130), (4, 44607565), (5, 35686052), (10, 17843026), (20, 8921513), (2029, 87940), (4058, 43970), (4397, 40580), (8116, 21985), (8794, 20290), (10145, 17588)]