4289540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1543}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 9078720

約数和(自身を除く): 4789180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 1543, 2780, 3086, 6172, 7715, 15430, 30860, 214477, 428954, 857908, 1072385, 2144770, 4289540]

約数ペア:

[(1, 4289540), (2, 2144770), (4, 1072385), (5, 857908), (10, 428954), (20, 214477), (139, 30860), (278, 15430), (556, 7715), (695, 6172), (1390, 3086), (1543, 2780)]