201280490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{9719}}^1$

素因数の和:9854

約数の個数: 32

約数和(自身を含む): 384912000

約数和(自身を除く): 183631510

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 1090, 2071, 4142, 9719, 10355, 19438, 20710, 48595, 97190, 184661, 369322, 923305, 1059371, 1846610, 2118742, 5296855, 10593710, 20128049, 40256098, 100640245, 201280490]

約数ペア:

[(1, 201280490), (2, 100640245), (5, 40256098), (10, 20128049), (19, 10593710), (38, 5296855), (95, 2118742), (109, 1846610), (190, 1059371), (218, 923305), (545, 369322), (1090, 184661), (2071, 97190), (4142, 48595), (9719, 20710), (10355, 19438)]