297339980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{10781}}^1$

素因数の和:10994

約数の個数: 48

約数和(自身を含む): 717304896

約数和(自身を除く): 419964916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 6895, 10781, 13790, 21562, 27580, 43124, 53905, 75467, 107810, 150934, 215620, 301868, 377335, 754670, 1509340, 2123857, 4247714, 8495428, 10619285, 14866999, 21238570, 29733998, 42477140, 59467996, 74334995, 148669990, 297339980]

約数ペア:

[(1, 297339980), (2, 148669990), (4, 74334995), (5, 59467996), (7, 42477140), (10, 29733998), (14, 21238570), (20, 14866999), (28, 10619285), (35, 8495428), (70, 4247714), (140, 2123857), (197, 1509340), (394, 754670), (788, 377335), (985, 301868), (1379, 215620), (1970, 150934), (2758, 107810), (3940, 75467), (5516, 53905), (6895, 43124), (10781, 27580), (13790, 21562)]