419799995

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{433}}^1\times {\mathrm{1999}}^1$

素因数の和:2534

約数の個数: 16

約数和(自身を含む): 510384000

約数和(自身を除く): 90584005

約数列:

[1, 5, 97, 433, 485, 1999, 2165, 9995, 42001, 193903, 210005, 865567, 969515, 4327835, 83959999, 419799995]

約数ペア:

[(1, 419799995), (5, 83959999), (97, 4327835), (433, 969515), (485, 865567), (1999, 210005), (2165, 193903), (9995, 42001)]