78434800

素因数分解:

$2^4\times 5^2\times {\mathrm{196087}}^1$

素因数の和:196105

約数の個数: 30

約数和(自身を含む): 188440568

約数和(自身を除く): 110005768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 196087, 392174, 784348, 980435, 1568696, 1960870, 3137392, 3921740, 4902175, 7843480, 9804350, 15686960, 19608700, 39217400, 78434800]

約数ペア:

[(1, 78434800), (2, 39217400), (4, 19608700), (5, 15686960), (8, 9804350), (10, 7843480), (16, 4902175), (20, 3921740), (25, 3137392), (40, 1960870), (50, 1568696), (80, 980435), (100, 784348), (200, 392174), (400, 196087)]