2854123780

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{555277}}^1$

素因数の和:555543

約数の個数: 24

約数和(自身を含む): 6016992408

約数和(自身を除く): 3162868628

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 555277, 1110554, 2221108, 2776385, 5552770, 11105540, 142706189, 285412378, 570824756, 713530945, 1427061890, 2854123780]

約数ペア:

[(1, 2854123780), (2, 1427061890), (4, 713530945), (5, 570824756), (10, 285412378), (20, 142706189), (257, 11105540), (514, 5552770), (1028, 2776385), (1285, 2221108), (2570, 1110554), (5140, 555277)]