67566380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{991}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 162656256

約数和(自身を除く): 95089876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487, 974, 991, 1948, 1982, 2435, 3409, 3964, 4870, 4955, 6818, 6937, 9740, 9910, 13636, 13874, 17045, 19820, 27748, 34090, 34685, 68180, 69370, 138740, 482617, 965234, 1930468, 2413085, 3378319, 4826170, 6756638, 9652340, 13513276, 16891595, 33783190, 67566380]

約数ペア:

[(1, 67566380), (2, 33783190), (4, 16891595), (5, 13513276), (7, 9652340), (10, 6756638), (14, 4826170), (20, 3378319), (28, 2413085), (35, 1930468), (70, 965234), (140, 482617), (487, 138740), (974, 69370), (991, 68180), (1948, 34685), (1982, 34090), (2435, 27748), (3409, 19820), (3964, 17045), (4870, 13874), (4955, 13636), (6818, 9910), (6937, 9740)]