4540525

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 36

約数和(自身を含む): 6596800

約数和(自身を除く): 2056275

約数列:

[1, 5, 11, 19, 25, 55, 79, 95, 121, 209, 275, 395, 475, 605, 869, 1045, 1501, 1975, 2299, 3025, 4345, 5225, 7505, 9559, 11495, 16511, 21725, 37525, 47795, 57475, 82555, 181621, 238975, 412775, 908105, 4540525]

約数ペア:

[(1, 4540525), (5, 908105), (11, 412775), (19, 238975), (25, 181621), (55, 82555), (79, 57475), (95, 47795), (121, 37525), (209, 21725), (275, 16511), (395, 11495), (475, 9559), (605, 7505), (869, 5225), (1045, 4345), (1501, 3025), (1975, 2299)]