209635090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{23581}}^1$

素因数の和:23722

約数の個数: 32

約数和(自身を含む): 434663424

約数和(自身を除く): 225028334

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 4445, 8890, 23581, 47162, 117905, 165067, 235810, 330134, 825335, 1650670, 2994787, 5989574, 14973935, 20963509, 29947870, 41927018, 104817545, 209635090]

約数ペア:

[(1, 209635090), (2, 104817545), (5, 41927018), (7, 29947870), (10, 20963509), (14, 14973935), (35, 5989574), (70, 2994787), (127, 1650670), (254, 825335), (635, 330134), (889, 235810), (1270, 165067), (1778, 117905), (4445, 47162), (8890, 23581)]