7860440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 20563200

約数和(自身を除く): 12702760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 419, 469, 536, 670, 838, 938, 1340, 1676, 1876, 2095, 2345, 2680, 2933, 3352, 3752, 4190, 4690, 5866, 8380, 9380, 11732, 14665, 16760, 18760, 23464, 28073, 29330, 56146, 58660, 112292, 117320, 140365, 196511, 224584, 280730, 393022, 561460, 786044, 982555, 1122920, 1572088, 1965110, 3930220, 7860440]

約数ペア:

[(1, 7860440), (2, 3930220), (4, 1965110), (5, 1572088), (7, 1122920), (8, 982555), (10, 786044), (14, 561460), (20, 393022), (28, 280730), (35, 224584), (40, 196511), (56, 140365), (67, 117320), (70, 112292), (134, 58660), (140, 56146), (268, 29330), (280, 28073), (335, 23464), (419, 18760), (469, 16760), (536, 14665), (670, 11732), (838, 9380), (938, 8380), (1340, 5866), (1676, 4690), (1876, 4190), (2095, 3752), (2345, 3352), (2680, 2933)]