1929381520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1087}}^1\times {\mathrm{2017}}^1$

素因数の和:3128

約数の個数: 80

約数和(自身を含む): 4900543488

約数和(自身を除く): 2971161968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1087, 2017, 2174, 4034, 4348, 5435, 8068, 8696, 10085, 10870, 11957, 16136, 17392, 20170, 21740, 22187, 23914, 32272, 40340, 43480, 44374, 47828, 59785, 80680, 86960, 88748, 95656, 110935, 119570, 161360, 177496, 191312, 221870, 239140, 354992, 443740, 478280, 887480, 956560, 1774960, 2192479, 4384958, 8769916, 10962395, 17539832, 21924790, 24117269, 35079664, 43849580, 48234538, 87699160, 96469076, 120586345, 175398320, 192938152, 241172690, 385876304, 482345380, 964690760, 1929381520]

約数ペア:

[(1, 1929381520), (2, 964690760), (4, 482345380), (5, 385876304), (8, 241172690), (10, 192938152), (11, 175398320), (16, 120586345), (20, 96469076), (22, 87699160), (40, 48234538), (44, 43849580), (55, 35079664), (80, 24117269), (88, 21924790), (110, 17539832), (176, 10962395), (220, 8769916), (440, 4384958), (880, 2192479), (1087, 1774960), (2017, 956560), (2174, 887480), (4034, 478280), (4348, 443740), (5435, 354992), (8068, 239140), (8696, 221870), (10085, 191312), (10870, 177496), (11957, 161360), (16136, 119570), (17392, 110935), (20170, 95656), (21740, 88748), (22187, 86960), (23914, 80680), (32272, 59785), (40340, 47828), (43480, 44374)]