278350874885

素因数分解:

$5^1\times {\mathrm{199}}^2\times {\mathrm{397}}^1\times {\mathrm{3541}}^1$

素因数の和:4341

約数の個数: 24

約数和(自身を含む): 336648639096

約数和(自身を除く): 58297764211

約数列:

[1, 5, 199, 397, 995, 1985, 3541, 17705, 39601, 79003, 198005, 395015, 704659, 1405777, 3523295, 7028885, 15721597, 78607985, 140227141, 279749623, 701135705, 1398748115, 55670174977, 278350874885]

約数ペア:

[(1, 278350874885), (5, 55670174977), (199, 1398748115), (397, 701135705), (995, 279749623), (1985, 140227141), (3541, 78607985), (17705, 15721597), (39601, 7028885), (79003, 3523295), (198005, 1405777), (395015, 704659)]