140872004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20369}}^1$

素因数の和:20412

約数の個数: 48

約数和(自身を含む): 319401600

約数和(自身を除く): 178529596

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 20369, 40738, 81476, 142583, 264797, 285166, 387011, 529594, 570332, 774022, 1059188, 1548044, 1853579, 2709077, 3707158, 5031143, 5418154, 7414316, 10062286, 10836308, 20124572, 35218001, 70436002, 140872004]

約数ペア:

[(1, 140872004), (2, 70436002), (4, 35218001), (7, 20124572), (13, 10836308), (14, 10062286), (19, 7414316), (26, 5418154), (28, 5031143), (38, 3707158), (52, 2709077), (76, 1853579), (91, 1548044), (133, 1059188), (182, 774022), (247, 570332), (266, 529594), (364, 387011), (494, 285166), (532, 264797), (988, 142583), (1729, 81476), (3458, 40738), (6916, 20369)]