209532290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{7589}}^1$

素因数の和:7858

約数の個数: 32

約数和(自身を含む): 413138880

約数和(自身を除く): 203606590

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 251, 502, 1255, 2510, 2761, 5522, 7589, 13805, 15178, 27610, 37945, 75890, 83479, 166958, 417395, 834790, 1904839, 3809678, 9524195, 19048390, 20953229, 41906458, 104766145, 209532290]

約数ペア:

[(1, 209532290), (2, 104766145), (5, 41906458), (10, 20953229), (11, 19048390), (22, 9524195), (55, 3809678), (110, 1904839), (251, 834790), (502, 417395), (1255, 166958), (2510, 83479), (2761, 75890), (5522, 37945), (7589, 27610), (13805, 15178)]