219780275005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{4871}}^1\times {\mathrm{474949}}^1$

素因数の和:479844

約数の個数: 16

約数和(自身を含む): 277674768000

約数和(自身を除く): 57894492995

約数列:

[1, 5, 19, 95, 4871, 24355, 92549, 462745, 474949, 2374745, 9024031, 45120155, 2313476579, 11567382895, 43956055001, 219780275005]

約数ペア:

[(1, 219780275005), (5, 43956055001), (19, 11567382895), (95, 2313476579), (4871, 45120155), (24355, 9024031), (92549, 2374745), (462745, 474949)]