388133660

素因数分解:

$2^2\times 5^1\times {\mathrm{2339}}^1\times {\mathrm{8297}}^1$

素因数の和:10645

約数の個数: 24

約数和(自身を含む): 815527440

約数和(自身を除く): 427393780

約数列:

[1, 2, 4, 5, 10, 20, 2339, 4678, 8297, 9356, 11695, 16594, 23390, 33188, 41485, 46780, 82970, 165940, 19406683, 38813366, 77626732, 97033415, 194066830, 388133660]

約数ペア:

[(1, 388133660), (2, 194066830), (4, 97033415), (5, 77626732), (10, 38813366), (20, 19406683), (2339, 165940), (4678, 82970), (8297, 46780), (9356, 41485), (11695, 33188), (16594, 23390)]