1380491890

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^2\times {\mathrm{661}}^1$

素因数の和:1582

約数の個数: 24

約数和(自身を含む): 2494102212

約数和(自身を除く): 1113610322

約数列:

[1, 2, 5, 10, 457, 661, 914, 1322, 2285, 3305, 4570, 6610, 208849, 302077, 417698, 604154, 1044245, 1510385, 2088490, 3020770, 138049189, 276098378, 690245945, 1380491890]

約数ペア:

[(1, 1380491890), (2, 690245945), (5, 276098378), (10, 138049189), (457, 3020770), (661, 2088490), (914, 1510385), (1322, 1044245), (2285, 604154), (3305, 417698), (4570, 302077), (6610, 208849)]