287142725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{4349}}^1$

素因数の和:4517

約数の個数: 24

約数和(自身を含む): 377580000

約数和(自身を除く): 90437275

約数列:

[1, 5, 19, 25, 95, 139, 475, 695, 2641, 3475, 4349, 13205, 21745, 66025, 82631, 108725, 413155, 604511, 2065775, 3022555, 11485709, 15112775, 57428545, 287142725]

約数ペア:

[(1, 287142725), (5, 57428545), (19, 15112775), (25, 11485709), (95, 3022555), (139, 2065775), (475, 604511), (695, 413155), (2641, 108725), (3475, 82631), (4349, 66025), (13205, 21745)]