12983740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8431}}^1$

素因数の和:8458

約数の個数: 48

約数和(自身を含む): 33997824

約数和(自身を除く): 21014084

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 8431, 16862, 33724, 42155, 59017, 84310, 92741, 118034, 168620, 185482, 236068, 295085, 370964, 463705, 590170, 649187, 927410, 1180340, 1298374, 1854820, 2596748, 3245935, 6491870, 12983740]

約数ペア:

[(1, 12983740), (2, 6491870), (4, 3245935), (5, 2596748), (7, 1854820), (10, 1298374), (11, 1180340), (14, 927410), (20, 649187), (22, 590170), (28, 463705), (35, 370964), (44, 295085), (55, 236068), (70, 185482), (77, 168620), (110, 118034), (140, 92741), (154, 84310), (220, 59017), (308, 42155), (385, 33724), (770, 16862), (1540, 8431)]