40988990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3637}}^1$

素因数の和:3681

約数の個数: 48

約数和(自身を含む): 89582112

約数和(自身を除く): 48593122

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1610, 2254, 3637, 5635, 7274, 11270, 18185, 25459, 36370, 50918, 83651, 127295, 167302, 178213, 254590, 356426, 418255, 585557, 836510, 891065, 1171114, 1782130, 2927785, 4098899, 5855570, 8197798, 20494495, 40988990]

約数ペア:

[(1, 40988990), (2, 20494495), (5, 8197798), (7, 5855570), (10, 4098899), (14, 2927785), (23, 1782130), (35, 1171114), (46, 891065), (49, 836510), (70, 585557), (98, 418255), (115, 356426), (161, 254590), (230, 178213), (245, 167302), (322, 127295), (490, 83651), (805, 50918), (1127, 36370), (1610, 25459), (2254, 18185), (3637, 11270), (5635, 7274)]