280424838

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{313}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 614937600

約数和(自身を除く): 334512762

約数列:

[1, 2, 3, 6, 19, 29, 38, 57, 58, 87, 114, 174, 271, 313, 542, 551, 626, 813, 939, 1102, 1626, 1653, 1878, 3306, 5149, 5947, 7859, 9077, 10298, 11894, 15447, 15718, 17841, 18154, 23577, 27231, 30894, 35682, 47154, 54462, 84823, 149321, 169646, 172463, 254469, 298642, 344926, 447963, 508938, 517389, 895926, 1034778, 1611637, 2459867, 3223274, 4834911, 4919734, 7379601, 9669822, 14759202, 46737473, 93474946, 140212419, 280424838]

約数ペア:

[(1, 280424838), (2, 140212419), (3, 93474946), (6, 46737473), (19, 14759202), (29, 9669822), (38, 7379601), (57, 4919734), (58, 4834911), (87, 3223274), (114, 2459867), (174, 1611637), (271, 1034778), (313, 895926), (542, 517389), (551, 508938), (626, 447963), (813, 344926), (939, 298642), (1102, 254469), (1626, 172463), (1653, 169646), (1878, 149321), (3306, 84823), (5149, 54462), (5947, 47154), (7859, 35682), (9077, 30894), (10298, 27231), (11894, 23577), (15447, 18154), (15718, 17841)]