2180427004

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{12689}}^1$

素因数の和:12755

約数の個数: 72

約数和(自身を含む): 4873569120

約数和(自身を除く): 2693142116

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 361, 476, 532, 646, 722, 1292, 1444, 2261, 2527, 4522, 5054, 6137, 9044, 10108, 12274, 12689, 24548, 25378, 42959, 50756, 85918, 88823, 171836, 177646, 215713, 241091, 355292, 431426, 482182, 862852, 964364, 1509991, 1687637, 3019982, 3375274, 4098547, 4580729, 6039964, 6750548, 8197094, 9161458, 16394188, 18322916, 28689829, 32065103, 57379658, 64130206, 77872393, 114759316, 128260412, 155744786, 311489572, 545106751, 1090213502, 2180427004]

約数ペア:

[(1, 2180427004), (2, 1090213502), (4, 545106751), (7, 311489572), (14, 155744786), (17, 128260412), (19, 114759316), (28, 77872393), (34, 64130206), (38, 57379658), (68, 32065103), (76, 28689829), (119, 18322916), (133, 16394188), (238, 9161458), (266, 8197094), (323, 6750548), (361, 6039964), (476, 4580729), (532, 4098547), (646, 3375274), (722, 3019982), (1292, 1687637), (1444, 1509991), (2261, 964364), (2527, 862852), (4522, 482182), (5054, 431426), (6137, 355292), (9044, 241091), (10108, 215713), (12274, 177646), (12689, 171836), (24548, 88823), (25378, 85918), (42959, 50756)]