551424025

素因数分解:

$5^2\times {\mathrm{199}}^1\times {\mathrm{271}}^1\times {\mathrm{409}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 691424000

約数和(自身を除く): 139999975

約数列:

[1, 5, 25, 199, 271, 409, 995, 1355, 2045, 4975, 6775, 10225, 53929, 81391, 110839, 269645, 406955, 554195, 1348225, 2034775, 2770975, 22056961, 110284805, 551424025]

約数ペア:

[(1, 551424025), (5, 110284805), (25, 22056961), (199, 2770975), (271, 2034775), (409, 1348225), (995, 554195), (1355, 406955), (2045, 269645), (4975, 110839), (6775, 81391), (10225, 53929)]