2029804975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{1279}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 2856960000

約数和(自身を除く): 827155025

約数列:

[1, 5, 11, 25, 29, 55, 145, 199, 275, 319, 725, 995, 1279, 1595, 2189, 4975, 5771, 6395, 7975, 10945, 14069, 28855, 31975, 37091, 54725, 63481, 70345, 144275, 185455, 254521, 317405, 351725, 408001, 927275, 1272605, 1587025, 2040005, 2799731, 6363025, 7381109, 10200025, 13998655, 36905545, 69993275, 81192199, 184527725, 405960995, 2029804975]

約数ペア:

[(1, 2029804975), (5, 405960995), (11, 184527725), (25, 81192199), (29, 69993275), (55, 36905545), (145, 13998655), (199, 10200025), (275, 7381109), (319, 6363025), (725, 2799731), (995, 2040005), (1279, 1587025), (1595, 1272605), (2189, 927275), (4975, 408001), (5771, 351725), (6395, 317405), (7975, 254521), (10945, 185455), (14069, 144275), (28855, 70345), (31975, 63481), (37091, 54725)]