12810140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2473}}^1$

素因数の和:2526

約数の個数: 48

約数和(自身を含む): 31588032

約数和(自身を除く): 18777892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2473, 2590, 4946, 5180, 9892, 12365, 17311, 24730, 34622, 49460, 69244, 86555, 91501, 173110, 183002, 346220, 366004, 457505, 640507, 915010, 1281014, 1830020, 2562028, 3202535, 6405070, 12810140]

約数ペア:

[(1, 12810140), (2, 6405070), (4, 3202535), (5, 2562028), (7, 1830020), (10, 1281014), (14, 915010), (20, 640507), (28, 457505), (35, 366004), (37, 346220), (70, 183002), (74, 173110), (140, 91501), (148, 86555), (185, 69244), (259, 49460), (370, 34622), (518, 24730), (740, 17311), (1036, 12365), (1295, 9892), (2473, 5180), (2590, 4946)]