830689975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{1129}}^1\times {\mathrm{1549}}^1$

素因数の和:2707

約数の個数: 24

約数和(自身を含む): 1085930000

約数和(自身を除く): 255240025

約数列:

[1, 5, 19, 25, 95, 475, 1129, 1549, 5645, 7745, 21451, 28225, 29431, 38725, 107255, 147155, 536275, 735775, 1748821, 8744105, 33227599, 43720525, 166137995, 830689975]

約数ペア:

[(1, 830689975), (5, 166137995), (19, 43720525), (25, 33227599), (95, 8744105), (475, 1748821), (1129, 735775), (1549, 536275), (5645, 147155), (7745, 107255), (21451, 38725), (28225, 29431)]