2137025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 3050400

約数和(自身を除く): 913375

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 409, 475, 1045, 2045, 4499, 5225, 7771, 10225, 22495, 38855, 85481, 112475, 194275, 427405, 2137025]

約数ペア:

[(1, 2137025), (5, 427405), (11, 194275), (19, 112475), (25, 85481), (55, 38855), (95, 22495), (209, 10225), (275, 7771), (409, 5225), (475, 4499), (1045, 2045)]