149065340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181787}}^1$

素因数の和:181837

約数の個数: 24

約数和(自身を含む): 320674032

約数和(自身を除く): 171608692

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 181787, 363574, 727148, 908935, 1817870, 3635740, 7453267, 14906534, 29813068, 37266335, 74532670, 149065340]

約数ペア:

[(1, 149065340), (2, 74532670), (4, 37266335), (5, 29813068), (10, 14906534), (20, 7453267), (41, 3635740), (82, 1817870), (164, 908935), (205, 727148), (410, 363574), (820, 181787)]