3980975

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:92

約数の個数: 36

約数和(自身を含む): 5710200

約数和(自身を除く): 1729225

約数列:

[1, 5, 17, 19, 25, 29, 85, 95, 145, 289, 323, 425, 475, 493, 551, 725, 1445, 1615, 2465, 2755, 5491, 7225, 8075, 8381, 9367, 12325, 13775, 27455, 41905, 46835, 137275, 159239, 209525, 234175, 796195, 3980975]

約数ペア:

[(1, 3980975), (5, 796195), (17, 234175), (19, 209525), (25, 159239), (29, 137275), (85, 46835), (95, 41905), (145, 27455), (289, 13775), (323, 12325), (425, 9367), (475, 8381), (493, 8075), (551, 7225), (725, 5491), (1445, 2755), (1615, 2465)]