208488280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 256

約数和(自身を含む): 650280960

約数和(自身を除く): 441792680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 41, 44, 52, 55, 56, 65, 70, 77, 82, 88, 91, 104, 110, 127, 130, 140, 143, 154, 164, 182, 205, 220, 254, 260, 280, 286, 287, 308, 328, 364, 385, 410, 440, 451, 455, 508, 520, 533, 572, 574, 616, 635, 715, 728, 770, 820, 889, 902, 910, 1001, 1016, 1066, 1144, 1148, 1270, 1397, 1430, 1435, 1540, 1640, 1651, 1778, 1804, 1820, 2002, 2132, 2255, 2296, 2540, 2665, 2794, 2860, 2870, 3080, 3157, 3302, 3556, 3608, 3640, 3731, 4004, 4264, 4445, 4510, 5005, 5080, 5207, 5330, 5588, 5720, 5740, 5863, 6314, 6604, 6985, 7112, 7462, 8008, 8255, 8890, 9020, 9779, 10010, 10414, 10660, 11176, 11480, 11557, 11726, 12628, 13208, 13970, 14924, 15785, 16510, 17780, 18040, 18161, 18655, 19558, 20020, 20828, 21320, 23114, 23452, 25256, 26035, 27940, 29315, 29848, 31570, 33020, 35560, 36322, 36449, 37310, 39116, 40040, 41041, 41656, 46228, 46904, 48895, 52070, 55880, 57277, 57785, 58630, 63140, 66040, 67691, 72644, 72898, 74620, 78232, 82082, 90805, 92456, 97790, 104140, 114554, 115570, 117260, 126280, 127127, 135382, 145288, 145796, 149240, 164164, 181610, 182245, 195580, 205205, 208280, 229108, 231140, 234520, 254254, 270764, 286385, 291592, 328328, 338455, 363220, 364490, 391160, 400939, 410410, 458216, 462280, 473837, 508508, 541528, 572770, 635635, 676910, 726440, 728980, 744601, 801878, 820820, 947674, 1017016, 1145540, 1271270, 1353820, 1457960, 1489202, 1603756, 1641640, 1895348, 2004695, 2291080, 2369185, 2542540, 2707640, 2978404, 3207512, 3723005, 3790696, 4009390, 4738370, 5085080, 5212207, 5956808, 7446010, 8018780, 9476740, 10424414, 14892020, 16037560, 18953480, 20848828, 26061035, 29784040, 41697656, 52122070, 104244140, 208488280]

約数ペア:

[(1, 208488280), (2, 104244140), (4, 52122070), (5, 41697656), (7, 29784040), (8, 26061035), (10, 20848828), (11, 18953480), (13, 16037560), (14, 14892020), (20, 10424414), (22, 9476740), (26, 8018780), (28, 7446010), (35, 5956808), (40, 5212207), (41, 5085080), (44, 4738370), (52, 4009390), (55, 3790696), (56, 3723005), (65, 3207512), (70, 2978404), (77, 2707640), (82, 2542540), (88, 2369185), (91, 2291080), (104, 2004695), (110, 1895348), (127, 1641640), (130, 1603756), (140, 1489202), (143, 1457960), (154, 1353820), (164, 1271270), (182, 1145540), (205, 1017016), (220, 947674), (254, 820820), (260, 801878), (280, 744601), (286, 728980), (287, 726440), (308, 676910), (328, 635635), (364, 572770), (385, 541528), (410, 508508), (440, 473837), (451, 462280), (455, 458216), (508, 410410), (520, 400939), (533, 391160), (572, 364490), (574, 363220), (616, 338455), (635, 328328), (715, 291592), (728, 286385), (770, 270764), (820, 254254), (889, 234520), (902, 231140), (910, 229108), (1001, 208280), (1016, 205205), (1066, 195580), (1144, 182245), (1148, 181610), (1270, 164164), (1397, 149240), (1430, 145796), (1435, 145288), (1540, 135382), (1640, 127127), (1651, 126280), (1778, 117260), (1804, 115570), (1820, 114554), (2002, 104140), (2132, 97790), (2255, 92456), (2296, 90805), (2540, 82082), (2665, 78232), (2794, 74620), (2860, 72898), (2870, 72644), (3080, 67691), (3157, 66040), (3302, 63140), (3556, 58630), (3608, 57785), (3640, 57277), (3731, 55880), (4004, 52070), (4264, 48895), (4445, 46904), (4510, 46228), (5005, 41656), (5080, 41041), (5207, 40040), (5330, 39116), (5588, 37310), (5720, 36449), (5740, 36322), (5863, 35560), (6314, 33020), (6604, 31570), (6985, 29848), (7112, 29315), (7462, 27940), (8008, 26035), (8255, 25256), (8890, 23452), (9020, 23114), (9779, 21320), (10010, 20828), (10414, 20020), (10660, 19558), (11176, 18655), (11480, 18161), (11557, 18040), (11726, 17780), (12628, 16510), (13208, 15785), (13970, 14924)]