30712990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{39887}}^1$

素因数の和:39912

約数の個数: 32

約数和(自身を含む): 68926464

約数和(自身を除く): 38213474

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 39887, 79774, 199435, 279209, 398870, 438757, 558418, 877514, 1396045, 2193785, 2792090, 3071299, 4387570, 6142598, 15356495, 30712990]

約数ペア:

[(1, 30712990), (2, 15356495), (5, 6142598), (7, 4387570), (10, 3071299), (11, 2792090), (14, 2193785), (22, 1396045), (35, 877514), (55, 558418), (70, 438757), (77, 398870), (110, 279209), (154, 199435), (385, 79774), (770, 39887)]