71988140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{514201}}^1$

素因数の和:514217

約数の個数: 24

約数和(自身を含む): 172771872

約数和(自身を除く): 100783732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 514201, 1028402, 2056804, 2571005, 3599407, 5142010, 7198814, 10284020, 14397628, 17997035, 35994070, 71988140]

約数ペア:

[(1, 71988140), (2, 35994070), (4, 17997035), (5, 14397628), (7, 10284020), (10, 7198814), (14, 5142010), (20, 3599407), (28, 2571005), (35, 2056804), (70, 1028402), (140, 514201)]