1140778940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{8148421}}^1$

素因数の和:8148437

約数の個数: 24

約数和(自身を含む): 2737869792

約数和(自身を除く): 1597090852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 8148421, 16296842, 32593684, 40742105, 57038947, 81484210, 114077894, 162968420, 228155788, 285194735, 570389470, 1140778940]

約数ペア:

[(1, 1140778940), (2, 570389470), (4, 285194735), (5, 228155788), (7, 162968420), (10, 114077894), (14, 81484210), (20, 57038947), (28, 40742105), (35, 32593684), (70, 16296842), (140, 8148421)]