804550340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{21139}}^1$

素因数の和:21332

約数の個数: 48

約数和(自身を含む): 1853893440

約数和(自身を除く): 1049343100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1730, 1903, 3460, 3806, 7612, 9515, 19030, 21139, 38060, 42278, 84556, 105695, 211390, 232529, 422780, 465058, 930116, 1162645, 2325290, 3657047, 4650580, 7314094, 14628188, 18285235, 36570470, 40227517, 73140940, 80455034, 160910068, 201137585, 402275170, 804550340]

約数ペア:

[(1, 804550340), (2, 402275170), (4, 201137585), (5, 160910068), (10, 80455034), (11, 73140940), (20, 40227517), (22, 36570470), (44, 18285235), (55, 14628188), (110, 7314094), (173, 4650580), (220, 3657047), (346, 2325290), (692, 1162645), (865, 930116), (1730, 465058), (1903, 422780), (3460, 232529), (3806, 211390), (7612, 105695), (9515, 84556), (19030, 42278), (21139, 38060)]