27983060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1979}}^1$

素因数の和:2096

約数の個数: 48

約数和(自身を含む): 67858560

約数和(自身を除く): 39875500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 1979, 2020, 2828, 3535, 3958, 7070, 7916, 9895, 13853, 14140, 19790, 27706, 39580, 55412, 69265, 138530, 199879, 277060, 399758, 799516, 999395, 1399153, 1998790, 2798306, 3997580, 5596612, 6995765, 13991530, 27983060]

約数ペア:

[(1, 27983060), (2, 13991530), (4, 6995765), (5, 5596612), (7, 3997580), (10, 2798306), (14, 1998790), (20, 1399153), (28, 999395), (35, 799516), (70, 399758), (101, 277060), (140, 199879), (202, 138530), (404, 69265), (505, 55412), (707, 39580), (1010, 27706), (1414, 19790), (1979, 14140), (2020, 13853), (2828, 9895), (3535, 7916), (3958, 7070)]