57890420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2099}}^1$

素因数の和:2312

約数の個数: 48

約数和(自身を含む): 139708800

約数和(自身を除く): 81818380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2099, 2758, 3940, 4198, 5516, 6895, 8396, 10495, 13790, 14693, 20990, 27580, 29386, 41980, 58772, 73465, 146930, 293860, 413503, 827006, 1654012, 2067515, 2894521, 4135030, 5789042, 8270060, 11578084, 14472605, 28945210, 57890420]

約数ペア:

[(1, 57890420), (2, 28945210), (4, 14472605), (5, 11578084), (7, 8270060), (10, 5789042), (14, 4135030), (20, 2894521), (28, 2067515), (35, 1654012), (70, 827006), (140, 413503), (197, 293860), (394, 146930), (788, 73465), (985, 58772), (1379, 41980), (1970, 29386), (2099, 27580), (2758, 20990), (3940, 14693), (4198, 13790), (5516, 10495), (6895, 8396)]