157745140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1126751}}^1$

素因数の和:1126767

約数の個数: 24

約数和(自身を含む): 378588672

約数和(自身を除く): 220843532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1126751, 2253502, 4507004, 5633755, 7887257, 11267510, 15774514, 22535020, 31549028, 39436285, 78872570, 157745140]

約数ペア:

[(1, 157745140), (2, 78872570), (4, 39436285), (5, 31549028), (7, 22535020), (10, 15774514), (14, 11267510), (20, 7887257), (28, 5633755), (35, 4507004), (70, 2253502), (140, 1126751)]