2080558890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^2\times {\mathrm{229}}^1$

素因数の和:389

約数の個数: 144

約数和(自身を含む): 5717298600

約数和(自身を除く): 3636739710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 59, 87, 90, 118, 145, 174, 177, 229, 261, 290, 295, 354, 435, 458, 522, 531, 590, 687, 870, 885, 1062, 1145, 1305, 1374, 1711, 1770, 2061, 2290, 2610, 2655, 3422, 3435, 3481, 4122, 5133, 5310, 6641, 6870, 6962, 8555, 10266, 10305, 10443, 13282, 13511, 15399, 17110, 17405, 19923, 20610, 20886, 25665, 27022, 30798, 31329, 33205, 34810, 39846, 40533, 51330, 52215, 59769, 62658, 66410, 67555, 76995, 81066, 99615, 100949, 104430, 119538, 121599, 135110, 153990, 156645, 199230, 201898, 202665, 243198, 298845, 302847, 313290, 391819, 405330, 504745, 597690, 605694, 607995, 783638, 797149, 908541, 1009490, 1175457, 1215990, 1514235, 1594298, 1817082, 1959095, 2350914, 2391447, 3028470, 3526371, 3918190, 3985745, 4542705, 4782894, 5877285, 7052742, 7174341, 7971490, 9085410, 11754570, 11957235, 14348682, 17631855, 23117321, 23914470, 35263710, 35871705, 46234642, 69351963, 71743410, 115586605, 138703926, 208055889, 231173210, 346759815, 416111778, 693519630, 1040279445, 2080558890]

約数ペア:

[(1, 2080558890), (2, 1040279445), (3, 693519630), (5, 416111778), (6, 346759815), (9, 231173210), (10, 208055889), (15, 138703926), (18, 115586605), (29, 71743410), (30, 69351963), (45, 46234642), (58, 35871705), (59, 35263710), (87, 23914470), (90, 23117321), (118, 17631855), (145, 14348682), (174, 11957235), (177, 11754570), (229, 9085410), (261, 7971490), (290, 7174341), (295, 7052742), (354, 5877285), (435, 4782894), (458, 4542705), (522, 3985745), (531, 3918190), (590, 3526371), (687, 3028470), (870, 2391447), (885, 2350914), (1062, 1959095), (1145, 1817082), (1305, 1594298), (1374, 1514235), (1711, 1215990), (1770, 1175457), (2061, 1009490), (2290, 908541), (2610, 797149), (2655, 783638), (3422, 607995), (3435, 605694), (3481, 597690), (4122, 504745), (5133, 405330), (5310, 391819), (6641, 313290), (6870, 302847), (6962, 298845), (8555, 243198), (10266, 202665), (10305, 201898), (10443, 199230), (13282, 156645), (13511, 153990), (15399, 135110), (17110, 121599), (17405, 119538), (19923, 104430), (20610, 100949), (20886, 99615), (25665, 81066), (27022, 76995), (30798, 67555), (31329, 66410), (33205, 62658), (34810, 59769), (39846, 52215), (40533, 51330)]