2091740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 5117952

約数和(自身を除く): 3026212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 223, 268, 335, 446, 469, 670, 892, 938, 1115, 1340, 1561, 1876, 2230, 2345, 3122, 4460, 4690, 6244, 7805, 9380, 14941, 15610, 29882, 31220, 59764, 74705, 104587, 149410, 209174, 298820, 418348, 522935, 1045870, 2091740]

約数ペア:

[(1, 2091740), (2, 1045870), (4, 522935), (5, 418348), (7, 298820), (10, 209174), (14, 149410), (20, 104587), (28, 74705), (35, 59764), (67, 31220), (70, 29882), (134, 15610), (140, 14941), (223, 9380), (268, 7805), (335, 6244), (446, 4690), (469, 4460), (670, 3122), (892, 2345), (938, 2230), (1115, 1876), (1340, 1561)]