129389975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2129}}^1$

素因数の和:2180

約数の個数: 48

約数和(自身を含む): 199674720

約数和(自身を除く): 70284745

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 187, 221, 275, 325, 425, 715, 935, 1105, 2129, 2431, 3575, 4675, 5525, 10645, 12155, 23419, 27677, 36193, 53225, 60775, 117095, 138385, 180965, 304447, 398123, 470509, 585475, 691925, 904825, 1522235, 1990615, 2352545, 5175599, 7611175, 9953075, 11762725, 25877995, 129389975]

約数ペア:

[(1, 129389975), (5, 25877995), (11, 11762725), (13, 9953075), (17, 7611175), (25, 5175599), (55, 2352545), (65, 1990615), (85, 1522235), (143, 904825), (187, 691925), (221, 585475), (275, 470509), (325, 398123), (425, 304447), (715, 180965), (935, 138385), (1105, 117095), (2129, 60775), (2431, 53225), (3575, 36193), (4675, 27677), (5525, 23419), (10645, 12155)]