119793025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{199}}^2$

素因数の和:430

約数の個数: 27

約数和(自身を含む): 164099523

約数和(自身を除く): 44306498

約数列:

[1, 5, 11, 25, 55, 121, 199, 275, 605, 995, 2189, 3025, 4975, 10945, 24079, 39601, 54725, 120395, 198005, 435611, 601975, 990025, 2178055, 4791721, 10890275, 23958605, 119793025]

約数ペア:

[(1, 119793025), (5, 23958605), (11, 10890275), (25, 4791721), (55, 2178055), (121, 990025), (199, 601975), (275, 435611), (605, 198005), (995, 120395), (2189, 54725), (3025, 39601), (4975, 24079)]