28760490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:193

約数の個数: 144

約数和(自身を含む): 87141600

約数和(自身を除く): 58381110

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 30, 33, 38, 45, 55, 57, 66, 90, 95, 99, 110, 114, 121, 139, 165, 171, 190, 198, 209, 242, 278, 285, 330, 342, 363, 417, 418, 495, 570, 605, 627, 695, 726, 834, 855, 990, 1045, 1089, 1210, 1251, 1254, 1390, 1529, 1710, 1815, 1881, 2085, 2090, 2178, 2299, 2502, 2641, 3058, 3135, 3630, 3762, 4170, 4587, 4598, 5282, 5445, 6255, 6270, 6897, 7645, 7923, 9174, 9405, 10890, 11495, 12510, 13205, 13761, 13794, 15290, 15846, 16819, 18810, 20691, 22935, 22990, 23769, 26410, 27522, 29051, 33638, 34485, 39615, 41382, 45870, 47538, 50457, 58102, 68805, 68970, 79230, 84095, 87153, 100914, 103455, 118845, 137610, 145255, 151371, 168190, 174306, 206910, 237690, 252285, 261459, 290510, 302742, 319561, 435765, 504570, 522918, 639122, 756855, 871530, 958683, 1307295, 1513710, 1597805, 1917366, 2614590, 2876049, 3195610, 4793415, 5752098, 9586830, 14380245, 28760490]

約数ペア:

[(1, 28760490), (2, 14380245), (3, 9586830), (5, 5752098), (6, 4793415), (9, 3195610), (10, 2876049), (11, 2614590), (15, 1917366), (18, 1597805), (19, 1513710), (22, 1307295), (30, 958683), (33, 871530), (38, 756855), (45, 639122), (55, 522918), (57, 504570), (66, 435765), (90, 319561), (95, 302742), (99, 290510), (110, 261459), (114, 252285), (121, 237690), (139, 206910), (165, 174306), (171, 168190), (190, 151371), (198, 145255), (209, 137610), (242, 118845), (278, 103455), (285, 100914), (330, 87153), (342, 84095), (363, 79230), (417, 68970), (418, 68805), (495, 58102), (570, 50457), (605, 47538), (627, 45870), (695, 41382), (726, 39615), (834, 34485), (855, 33638), (990, 29051), (1045, 27522), (1089, 26410), (1210, 23769), (1251, 22990), (1254, 22935), (1390, 20691), (1529, 18810), (1710, 16819), (1815, 15846), (1881, 15290), (2085, 13794), (2090, 13761), (2178, 13205), (2299, 12510), (2502, 11495), (2641, 10890), (3058, 9405), (3135, 9174), (3630, 7923), (3762, 7645), (4170, 6897), (4587, 6270), (4598, 6255), (5282, 5445)]