1815697326740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20939}}^1\times {\mathrm{394153}}^1$

素因数の和:415112

約数の個数: 48

約数和(自身を含む): 4159806719040

約数和(自身を除く): 2344109392300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 20939, 41878, 83756, 104695, 209390, 230329, 394153, 418780, 460658, 788306, 921316, 1151645, 1576612, 1970765, 2303290, 3941530, 4335683, 4606580, 7883060, 8671366, 17342732, 21678415, 43356830, 86713660, 8253169667, 16506339334, 33012678668, 41265848335, 82531696670, 90784866337, 165063393340, 181569732674, 363139465348, 453924331685, 907848663370, 1815697326740]

約数ペア:

[(1, 1815697326740), (2, 907848663370), (4, 453924331685), (5, 363139465348), (10, 181569732674), (11, 165063393340), (20, 90784866337), (22, 82531696670), (44, 41265848335), (55, 33012678668), (110, 16506339334), (220, 8253169667), (20939, 86713660), (41878, 43356830), (83756, 21678415), (104695, 17342732), (209390, 8671366), (230329, 7883060), (394153, 4606580), (418780, 4335683), (460658, 3941530), (788306, 2303290), (921316, 1970765), (1151645, 1576612)]