20172542390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{69491}}^1$

素因数の和:69558

約数の個数: 128

約数和(自身を含む): 50434513920

約数和(自身を除く): 30261971530

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 29, 35, 55, 58, 65, 70, 77, 91, 110, 130, 143, 145, 154, 182, 203, 286, 290, 319, 377, 385, 406, 455, 638, 715, 754, 770, 910, 1001, 1015, 1430, 1595, 1885, 2002, 2030, 2233, 2639, 3190, 3770, 4147, 4466, 5005, 5278, 8294, 10010, 11165, 13195, 20735, 22330, 26390, 29029, 41470, 58058, 69491, 138982, 145145, 290290, 347455, 486437, 694910, 764401, 903383, 972874, 1528802, 1806766, 2015239, 2432185, 3822005, 4030478, 4516915, 4864370, 5350807, 6323681, 7644010, 9033830, 9937213, 10076195, 10701614, 12647362, 14106673, 19874426, 20152390, 22167629, 26198107, 26754035, 28213346, 31618405, 44335258, 49686065, 52396214, 53508070, 63236810, 69560491, 70533365, 99372130, 110838145, 130990535, 139120982, 141066730, 155173403, 183386749, 221676290, 261981070, 288179177, 310346806, 347802455, 366773498, 576358354, 695604910, 775867015, 916933745, 1440895885, 1551734030, 1833867490, 2017254239, 2881791770, 4034508478, 10086271195, 20172542390]

約数ペア:

[(1, 20172542390), (2, 10086271195), (5, 4034508478), (7, 2881791770), (10, 2017254239), (11, 1833867490), (13, 1551734030), (14, 1440895885), (22, 916933745), (26, 775867015), (29, 695604910), (35, 576358354), (55, 366773498), (58, 347802455), (65, 310346806), (70, 288179177), (77, 261981070), (91, 221676290), (110, 183386749), (130, 155173403), (143, 141066730), (145, 139120982), (154, 130990535), (182, 110838145), (203, 99372130), (286, 70533365), (290, 69560491), (319, 63236810), (377, 53508070), (385, 52396214), (406, 49686065), (455, 44335258), (638, 31618405), (715, 28213346), (754, 26754035), (770, 26198107), (910, 22167629), (1001, 20152390), (1015, 19874426), (1430, 14106673), (1595, 12647362), (1885, 10701614), (2002, 10076195), (2030, 9937213), (2233, 9033830), (2639, 7644010), (3190, 6323681), (3770, 5350807), (4147, 4864370), (4466, 4516915), (5005, 4030478), (5278, 3822005), (8294, 2432185), (10010, 2015239), (11165, 1806766), (13195, 1528802), (20735, 972874), (22330, 903383), (26390, 764401), (29029, 694910), (41470, 486437), (58058, 347455), (69491, 290290), (138982, 145145)]