78494360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{280337}}^1$

素因数の和:280355

約数の個数: 32

約数和(自身を含む): 201843360

約数和(自身を除く): 123349000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 280337, 560674, 1121348, 1401685, 1962359, 2242696, 2803370, 3924718, 5606740, 7849436, 9811795, 11213480, 15698872, 19623590, 39247180, 78494360]

約数ペア:

[(1, 78494360), (2, 39247180), (4, 19623590), (5, 15698872), (7, 11213480), (8, 9811795), (10, 7849436), (14, 5606740), (20, 3924718), (28, 2803370), (35, 2242696), (40, 1962359), (56, 1401685), (70, 1121348), (140, 560674), (280, 280337)]