77930800

素因数分解:

$2^4\times 5^2\times {\mathrm{194827}}^1$

素因数の和:194845

約数の個数: 30

約数和(自身を含む): 187229708

約数和(自身を除く): 109298908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 194827, 389654, 779308, 974135, 1558616, 1948270, 3117232, 3896540, 4870675, 7793080, 9741350, 15586160, 19482700, 38965400, 77930800]

約数ペア:

[(1, 77930800), (2, 38965400), (4, 19482700), (5, 15586160), (8, 9741350), (10, 7793080), (16, 4870675), (20, 3896540), (25, 3117232), (40, 1948270), (50, 1558616), (80, 974135), (100, 779308), (200, 389654), (400, 194827)]