207968180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1485487}}^1$

素因数の和:1485503

約数の個数: 24

約数和(自身を含む): 499123968

約数和(自身を除く): 291155788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1485487, 2970974, 5941948, 7427435, 10398409, 14854870, 20796818, 29709740, 41593636, 51992045, 103984090, 207968180]

約数ペア:

[(1, 207968180), (2, 103984090), (4, 51992045), (5, 41593636), (7, 29709740), (10, 20796818), (14, 14854870), (20, 10398409), (28, 7427435), (35, 5941948), (70, 2970974), (140, 1485487)]