199778825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{14503}}^1$

素因数の和:14561

約数の個数: 24

約数和(自身を含む): 269774400

約数和(自身を除く): 69995575

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 2755, 13775, 14503, 72515, 275557, 362575, 420587, 1377785, 2102935, 6888925, 7991153, 10514675, 39955765, 199778825]

約数ペア:

[(1, 199778825), (5, 39955765), (19, 10514675), (25, 7991153), (29, 6888925), (95, 2102935), (145, 1377785), (475, 420587), (551, 362575), (725, 275557), (2755, 72515), (13775, 14503)]