20171691100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1663}}^1\times {\mathrm{11027}}^1$

素因数の和:12715

約数の個数: 72

約数和(自身を含む): 47784941568

約数和(自身を除く): 27613250468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 1663, 3326, 6652, 8315, 11027, 16630, 18293, 22054, 33260, 36586, 41575, 44108, 55135, 73172, 83150, 91465, 110270, 121297, 166300, 182930, 220540, 242594, 275675, 365860, 457325, 485188, 551350, 606485, 914650, 1102700, 1212970, 1829300, 2425940, 3032425, 6064850, 12129700, 18337901, 36675802, 73351604, 91689505, 183379010, 201716911, 366758020, 403433822, 458447525, 806867644, 916895050, 1008584555, 1833790100, 2017169110, 4034338220, 5042922775, 10085845550, 20171691100]

約数ペア:

[(1, 20171691100), (2, 10085845550), (4, 5042922775), (5, 4034338220), (10, 2017169110), (11, 1833790100), (20, 1008584555), (22, 916895050), (25, 806867644), (44, 458447525), (50, 403433822), (55, 366758020), (100, 201716911), (110, 183379010), (220, 91689505), (275, 73351604), (550, 36675802), (1100, 18337901), (1663, 12129700), (3326, 6064850), (6652, 3032425), (8315, 2425940), (11027, 1829300), (16630, 1212970), (18293, 1102700), (22054, 914650), (33260, 606485), (36586, 551350), (41575, 485188), (44108, 457325), (55135, 365860), (73172, 275675), (83150, 242594), (91465, 220540), (110270, 182930), (121297, 166300)]