4208540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1307}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 10547712

約数和(自身を除く): 6339172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1307, 1610, 2614, 3220, 5228, 6535, 9149, 13070, 18298, 26140, 30061, 36596, 45745, 60122, 91490, 120244, 150305, 182980, 210427, 300610, 420854, 601220, 841708, 1052135, 2104270, 4208540]

約数ペア:

[(1, 4208540), (2, 2104270), (4, 1052135), (5, 841708), (7, 601220), (10, 420854), (14, 300610), (20, 210427), (23, 182980), (28, 150305), (35, 120244), (46, 91490), (70, 60122), (92, 45745), (115, 36596), (140, 30061), (161, 26140), (230, 18298), (322, 13070), (460, 9149), (644, 6535), (805, 5228), (1307, 3220), (1610, 2614)]