205651390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{26953}}^1$

素因数の和:27076

約数の個数: 32

約数和(自身を含む): 426951360

約数和(自身を除く): 221299970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 3815, 7630, 26953, 53906, 134765, 188671, 269530, 377342, 943355, 1886710, 2937877, 5875754, 14689385, 20565139, 29378770, 41130278, 102825695, 205651390]

約数ペア:

[(1, 205651390), (2, 102825695), (5, 41130278), (7, 29378770), (10, 20565139), (14, 14689385), (35, 5875754), (70, 2937877), (109, 1886710), (218, 943355), (545, 377342), (763, 269530), (1090, 188671), (1526, 134765), (3815, 53906), (7630, 26953)]