201989975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{3691}}^1$

素因数の和:3911

約数の個数: 24

約数和(自身を含む): 274684800

約数和(自身を除く): 72694825

約数列:

[1, 5, 11, 25, 55, 199, 275, 995, 2189, 3691, 4975, 10945, 18455, 40601, 54725, 92275, 203005, 734509, 1015025, 3672545, 8079599, 18362725, 40397995, 201989975]

約数ペア:

[(1, 201989975), (5, 40397995), (11, 18362725), (25, 8079599), (55, 3672545), (199, 1015025), (275, 734509), (995, 203005), (2189, 92275), (3691, 54725), (4975, 40601), (10945, 18455)]