290476225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{1549}}^1$

素因数の和:2149

約数の個数: 24

約数和(自身を含む): 388820600

約数和(自身を除く): 98344375

約数列:

[1, 5, 13, 25, 65, 325, 577, 1549, 2885, 7501, 7745, 14425, 20137, 37505, 38725, 100685, 187525, 503425, 893773, 4468865, 11619049, 22344325, 58095245, 290476225]

約数ペア:

[(1, 290476225), (5, 58095245), (13, 22344325), (25, 11619049), (65, 4468865), (325, 893773), (577, 503425), (1549, 187525), (2885, 100685), (7501, 38725), (7745, 37505), (14425, 20137)]