727940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2141}}^1$

素因数の和:2167

約数の個数: 24

約数和(自身を含む): 1619352

約数和(自身を除く): 891412

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2141, 4282, 8564, 10705, 21410, 36397, 42820, 72794, 145588, 181985, 363970, 727940]

約数ペア:

[(1, 727940), (2, 363970), (4, 181985), (5, 145588), (10, 72794), (17, 42820), (20, 36397), (34, 21410), (68, 10705), (85, 8564), (170, 4282), (340, 2141)]