190749890

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{43451}}^1$

素因数の和:43897

約数の個数: 16

約数和(自身を含む): 344139840

約数和(自身を除く): 153389950

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 43451, 86902, 217255, 434510, 19074989, 38149978, 95374945, 190749890]

約数ペア:

[(1, 190749890), (2, 95374945), (5, 38149978), (10, 19074989), (439, 434510), (878, 217255), (2195, 86902), (4390, 43451)]