280930008

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1987}}^1$

素因数の和:2176

約数の個数: 64

約数和(自身を含む): 724268160

約数和(自身を除く): 443338152

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 137, 172, 258, 274, 344, 411, 516, 548, 822, 1032, 1096, 1644, 1987, 3288, 3974, 5891, 5961, 7948, 11782, 11922, 15896, 17673, 23564, 23844, 35346, 47128, 47688, 70692, 85441, 141384, 170882, 256323, 272219, 341764, 512646, 544438, 683528, 816657, 1025292, 1088876, 1633314, 2050584, 2177752, 3266628, 6533256, 11705417, 23410834, 35116251, 46821668, 70232502, 93643336, 140465004, 280930008]

約数ペア:

[(1, 280930008), (2, 140465004), (3, 93643336), (4, 70232502), (6, 46821668), (8, 35116251), (12, 23410834), (24, 11705417), (43, 6533256), (86, 3266628), (129, 2177752), (137, 2050584), (172, 1633314), (258, 1088876), (274, 1025292), (344, 816657), (411, 683528), (516, 544438), (548, 512646), (822, 341764), (1032, 272219), (1096, 256323), (1644, 170882), (1987, 141384), (3288, 85441), (3974, 70692), (5891, 47688), (5961, 47128), (7948, 35346), (11782, 23844), (11922, 23564), (15896, 17673)]