71657180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1051}}^1$

素因数の和:1554

約数の個数: 48

約数和(自身を含む): 172494336

約数和(自身を除く): 100837156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487, 974, 1051, 1948, 2102, 2435, 3409, 4204, 4870, 5255, 6818, 7357, 9740, 10510, 13636, 14714, 17045, 21020, 29428, 34090, 36785, 68180, 73570, 147140, 511837, 1023674, 2047348, 2559185, 3582859, 5118370, 7165718, 10236740, 14331436, 17914295, 35828590, 71657180]

約数ペア:

[(1, 71657180), (2, 35828590), (4, 17914295), (5, 14331436), (7, 10236740), (10, 7165718), (14, 5118370), (20, 3582859), (28, 2559185), (35, 2047348), (70, 1023674), (140, 511837), (487, 147140), (974, 73570), (1051, 68180), (1948, 36785), (2102, 34090), (2435, 29428), (3409, 21020), (4204, 17045), (4870, 14714), (5255, 13636), (6818, 10510), (7357, 9740)]