71255660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{508969}}^1$

素因数の和:508985

約数の個数: 24

約数和(自身を含む): 171013920

約数和(自身を除く): 99758260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 508969, 1017938, 2035876, 2544845, 3562783, 5089690, 7125566, 10179380, 14251132, 17813915, 35627830, 71255660]

約数ペア:

[(1, 71255660), (2, 35627830), (4, 17813915), (5, 14251132), (7, 10179380), (10, 7125566), (14, 5089690), (20, 3562783), (28, 2544845), (35, 2035876), (70, 1017938), (140, 508969)]