1906025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 2678400

約数和(自身を除く): 772375

約数列:

[1, 5, 11, 25, 29, 55, 145, 239, 275, 319, 725, 1195, 1595, 2629, 5975, 6931, 7975, 13145, 34655, 65725, 76241, 173275, 381205, 1906025]

約数ペア:

[(1, 1906025), (5, 381205), (11, 173275), (25, 76241), (29, 65725), (55, 34655), (145, 13145), (239, 7975), (275, 6931), (319, 5975), (725, 2629), (1195, 1595)]