157804990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{322051}}^1$

素因数の和:322072

約数の個数: 24

約数和(自身を含む): 330425352

約数和(自身を除く): 172620362

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 322051, 644102, 1610255, 2254357, 3220510, 4508714, 11271785, 15780499, 22543570, 31560998, 78902495, 157804990]

約数ペア:

[(1, 157804990), (2, 78902495), (5, 31560998), (7, 22543570), (10, 15780499), (14, 11271785), (35, 4508714), (49, 3220510), (70, 2254357), (98, 1610255), (245, 644102), (490, 322051)]