71608180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{511487}}^1$

素因数の和:511503

約数の個数: 24

約数和(自身を含む): 171859968

約数和(自身を除く): 100251788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 511487, 1022974, 2045948, 2557435, 3580409, 5114870, 7160818, 10229740, 14321636, 17902045, 35804090, 71608180]

約数ペア:

[(1, 71608180), (2, 35804090), (4, 17902045), (5, 14321636), (7, 10229740), (10, 7160818), (14, 5114870), (20, 3580409), (28, 2557435), (35, 2045948), (70, 1022974), (140, 511487)]