205255540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1466111}}^1$

素因数の和:1466127

約数の個数: 24

約数和(自身を含む): 492613632

約数和(自身を除く): 287358092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1466111, 2932222, 5864444, 7330555, 10262777, 14661110, 20525554, 29322220, 41051108, 51313885, 102627770, 205255540]

約数ペア:

[(1, 205255540), (2, 102627770), (4, 51313885), (5, 41051108), (7, 29322220), (10, 20525554), (14, 14661110), (20, 10262777), (28, 7330555), (35, 5864444), (70, 2932222), (140, 1466111)]