173811160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1$

素因数の和:920

約数の個数: 64

約数和(自身を含む): 403603200

約数和(自身を除く): 229792040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 139, 172, 215, 278, 344, 430, 556, 695, 727, 860, 1112, 1390, 1454, 1720, 2780, 2908, 3635, 5560, 5816, 5977, 7270, 11954, 14540, 23908, 29080, 29885, 31261, 47816, 59770, 62522, 101053, 119540, 125044, 156305, 202106, 239080, 250088, 312610, 404212, 505265, 625220, 808424, 1010530, 1250440, 2021060, 4042120, 4345279, 8690558, 17381116, 21726395, 34762232, 43452790, 86905580, 173811160]

約数ペア:

[(1, 173811160), (2, 86905580), (4, 43452790), (5, 34762232), (8, 21726395), (10, 17381116), (20, 8690558), (40, 4345279), (43, 4042120), (86, 2021060), (139, 1250440), (172, 1010530), (215, 808424), (278, 625220), (344, 505265), (430, 404212), (556, 312610), (695, 250088), (727, 239080), (860, 202106), (1112, 156305), (1390, 125044), (1454, 119540), (1720, 101053), (2780, 62522), (2908, 59770), (3635, 47816), (5560, 31261), (5816, 29885), (5977, 29080), (7270, 23908), (11954, 14540)]