2019670840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{769}}^1$

素因数の和:965

約数の個数: 128

約数和(自身を含む): 5109350400

約数和(自身を除く): 3089679560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 127, 188, 220, 235, 254, 376, 440, 470, 508, 517, 635, 769, 940, 1016, 1034, 1270, 1397, 1538, 1880, 2068, 2540, 2585, 2794, 3076, 3845, 4136, 5080, 5170, 5588, 5969, 6152, 6985, 7690, 8459, 10340, 11176, 11938, 13970, 15380, 16918, 20680, 23876, 27940, 29845, 30760, 33836, 36143, 42295, 47752, 55880, 59690, 65659, 67672, 72286, 84590, 97663, 119380, 131318, 144572, 169180, 180715, 195326, 238760, 262636, 289144, 328295, 338360, 361430, 390652, 397573, 488315, 525272, 656590, 722860, 781304, 795146, 976630, 1074293, 1313180, 1445720, 1590292, 1953260, 1987865, 2148586, 2626360, 3180584, 3906520, 3975730, 4297172, 4590161, 5371465, 7951460, 8594344, 9180322, 10742930, 15902920, 18360644, 21485860, 22950805, 36721288, 42971720, 45901610, 50491771, 91803220, 100983542, 183606440, 201967084, 252458855, 403934168, 504917710, 1009835420, 2019670840]

約数ペア:

[(1, 2019670840), (2, 1009835420), (4, 504917710), (5, 403934168), (8, 252458855), (10, 201967084), (11, 183606440), (20, 100983542), (22, 91803220), (40, 50491771), (44, 45901610), (47, 42971720), (55, 36721288), (88, 22950805), (94, 21485860), (110, 18360644), (127, 15902920), (188, 10742930), (220, 9180322), (235, 8594344), (254, 7951460), (376, 5371465), (440, 4590161), (470, 4297172), (508, 3975730), (517, 3906520), (635, 3180584), (769, 2626360), (940, 2148586), (1016, 1987865), (1034, 1953260), (1270, 1590292), (1397, 1445720), (1538, 1313180), (1880, 1074293), (2068, 976630), (2540, 795146), (2585, 781304), (2794, 722860), (3076, 656590), (3845, 525272), (4136, 488315), (5080, 397573), (5170, 390652), (5588, 361430), (5969, 338360), (6152, 328295), (6985, 289144), (7690, 262636), (8459, 238760), (10340, 195326), (11176, 180715), (11938, 169180), (13970, 144572), (15380, 131318), (16918, 119380), (20680, 97663), (23876, 84590), (27940, 72286), (29845, 67672), (30760, 65659), (33836, 59690), (36143, 55880), (42295, 47752)]