201009875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^2$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 287146080

約数和(自身を除く): 86136205

約数列:

[1, 5, 11, 25, 29, 55, 71, 125, 145, 275, 319, 355, 725, 781, 1375, 1595, 1775, 2059, 3625, 3905, 5041, 7975, 8875, 10295, 19525, 22649, 25205, 39875, 51475, 55451, 97625, 113245, 126025, 146189, 257375, 277255, 566225, 630125, 730945, 1386275, 1608079, 2831125, 3654725, 6931375, 8040395, 18273625, 40201975, 201009875]

約数ペア:

[(1, 201009875), (5, 40201975), (11, 18273625), (25, 8040395), (29, 6931375), (55, 3654725), (71, 2831125), (125, 1608079), (145, 1386275), (275, 730945), (319, 630125), (355, 566225), (725, 277255), (781, 257375), (1375, 146189), (1595, 126025), (1775, 113245), (2059, 97625), (3625, 55451), (3905, 51475), (5041, 39875), (7975, 25205), (8875, 22649), (10295, 19525)]