28945840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 160

約数和(自身を含む): 86851584

約数和(自身を除く): 57905744

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 80, 88, 110, 112, 127, 140, 148, 154, 176, 185, 220, 254, 259, 280, 296, 308, 370, 385, 407, 440, 508, 518, 560, 592, 616, 635, 740, 770, 814, 880, 889, 1016, 1036, 1232, 1270, 1295, 1397, 1480, 1540, 1628, 1778, 2032, 2035, 2072, 2540, 2590, 2794, 2849, 2960, 3080, 3256, 3556, 4070, 4144, 4445, 4699, 5080, 5180, 5588, 5698, 6160, 6512, 6985, 7112, 8140, 8890, 9398, 9779, 10160, 10360, 11176, 11396, 13970, 14224, 14245, 16280, 17780, 18796, 19558, 20720, 22352, 22792, 23495, 27940, 28490, 32560, 32893, 35560, 37592, 39116, 45584, 46990, 48895, 51689, 55880, 56980, 65786, 71120, 75184, 78232, 93980, 97790, 103378, 111760, 113960, 131572, 156464, 164465, 187960, 195580, 206756, 227920, 258445, 263144, 328930, 361823, 375920, 391160, 413512, 516890, 526288, 657860, 723646, 782320, 827024, 1033780, 1315720, 1447292, 1809115, 2067560, 2631440, 2894584, 3618230, 4135120, 5789168, 7236460, 14472920, 28945840]

約数ペア:

[(1, 28945840), (2, 14472920), (4, 7236460), (5, 5789168), (7, 4135120), (8, 3618230), (10, 2894584), (11, 2631440), (14, 2067560), (16, 1809115), (20, 1447292), (22, 1315720), (28, 1033780), (35, 827024), (37, 782320), (40, 723646), (44, 657860), (55, 526288), (56, 516890), (70, 413512), (74, 391160), (77, 375920), (80, 361823), (88, 328930), (110, 263144), (112, 258445), (127, 227920), (140, 206756), (148, 195580), (154, 187960), (176, 164465), (185, 156464), (220, 131572), (254, 113960), (259, 111760), (280, 103378), (296, 97790), (308, 93980), (370, 78232), (385, 75184), (407, 71120), (440, 65786), (508, 56980), (518, 55880), (560, 51689), (592, 48895), (616, 46990), (635, 45584), (740, 39116), (770, 37592), (814, 35560), (880, 32893), (889, 32560), (1016, 28490), (1036, 27940), (1232, 23495), (1270, 22792), (1295, 22352), (1397, 20720), (1480, 19558), (1540, 18796), (1628, 17780), (1778, 16280), (2032, 14245), (2035, 14224), (2072, 13970), (2540, 11396), (2590, 11176), (2794, 10360), (2849, 10160), (2960, 9779), (3080, 9398), (3256, 8890), (3556, 8140), (4070, 7112), (4144, 6985), (4445, 6512), (4699, 6160), (5080, 5698), (5180, 5588)]