181942390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{371311}}^1$

素因数の和:371332

約数の個数: 24

約数和(自身を含む): 380966112

約数和(自身を除く): 199023722

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 371311, 742622, 1856555, 2599177, 3713110, 5198354, 12995885, 18194239, 25991770, 36388478, 90971195, 181942390]

約数ペア:

[(1, 181942390), (2, 90971195), (5, 36388478), (7, 25991770), (10, 18194239), (14, 12995885), (35, 5198354), (49, 3713110), (70, 2599177), (98, 1856555), (245, 742622), (490, 371311)]