254249185

素因数分解:

$5^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1\times {\mathrm{719}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 307929600

約数和(自身を除く): 53680415

約数列:

[1, 5, 197, 359, 719, 985, 1795, 3595, 70723, 141643, 258121, 353615, 708215, 1290605, 50849837, 254249185]

約数ペア:

[(1, 254249185), (5, 50849837), (197, 1290605), (359, 708215), (719, 353615), (985, 258121), (1795, 141643), (3595, 70723)]