205436280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{244567}}^1$

素因数の和:244588

約数の個数: 64

約数和(自身を含む): 704355840

約数和(自身を除く): 498919560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 244567, 489134, 733701, 978268, 1222835, 1467402, 1711969, 1956536, 2445670, 2934804, 3423938, 3668505, 4891340, 5135907, 5869608, 6847876, 7337010, 8559845, 9782680, 10271814, 13695752, 14674020, 17119690, 20543628, 25679535, 29348040, 34239380, 41087256, 51359070, 68478760, 102718140, 205436280]

約数ペア:

[(1, 205436280), (2, 102718140), (3, 68478760), (4, 51359070), (5, 41087256), (6, 34239380), (7, 29348040), (8, 25679535), (10, 20543628), (12, 17119690), (14, 14674020), (15, 13695752), (20, 10271814), (21, 9782680), (24, 8559845), (28, 7337010), (30, 6847876), (35, 5869608), (40, 5135907), (42, 4891340), (56, 3668505), (60, 3423938), (70, 2934804), (84, 2445670), (105, 1956536), (120, 1711969), (140, 1467402), (168, 1222835), (210, 978268), (280, 733701), (420, 489134), (840, 244567)]