1810340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 4432512

約数和(自身を除く): 2622172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 193, 268, 335, 386, 469, 670, 772, 938, 965, 1340, 1351, 1876, 1930, 2345, 2702, 3860, 4690, 5404, 6755, 9380, 12931, 13510, 25862, 27020, 51724, 64655, 90517, 129310, 181034, 258620, 362068, 452585, 905170, 1810340]

約数ペア:

[(1, 1810340), (2, 905170), (4, 452585), (5, 362068), (7, 258620), (10, 181034), (14, 129310), (20, 90517), (28, 64655), (35, 51724), (67, 27020), (70, 25862), (134, 13510), (140, 12931), (193, 9380), (268, 6755), (335, 5404), (386, 4690), (469, 3860), (670, 2702), (772, 2345), (938, 1930), (965, 1876), (1340, 1351)]