142745090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{2053}}^1$

素因数の和:2486

約数の個数: 32

約数和(自身を含む): 272853360

約数和(自身を除く): 130108270

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 409, 818, 2045, 2053, 4090, 4106, 6953, 10265, 13906, 20530, 34765, 34901, 69530, 69802, 174505, 349010, 839677, 1679354, 4198385, 8396770, 14274509, 28549018, 71372545, 142745090]

約数ペア:

[(1, 142745090), (2, 71372545), (5, 28549018), (10, 14274509), (17, 8396770), (34, 4198385), (85, 1679354), (170, 839677), (409, 349010), (818, 174505), (2045, 69802), (2053, 69530), (4090, 34901), (4106, 34765), (6953, 20530), (10265, 13906)]