128440312

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:453

約数の個数: 128

約数和(自身を含む): 331752960

約数和(自身を除く): 203312648

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 43, 44, 52, 56, 77, 86, 88, 91, 104, 143, 154, 172, 182, 286, 301, 308, 344, 364, 373, 473, 559, 572, 602, 616, 728, 746, 946, 1001, 1118, 1144, 1204, 1492, 1892, 2002, 2236, 2408, 2611, 2984, 3311, 3784, 3913, 4004, 4103, 4472, 4849, 5222, 6149, 6622, 7826, 8008, 8206, 9698, 10444, 12298, 13244, 15652, 16039, 16412, 19396, 20888, 24596, 26488, 28721, 31304, 32078, 32824, 33943, 38792, 43043, 49192, 53339, 57442, 64156, 67886, 86086, 106678, 112273, 114884, 128312, 135772, 172172, 176429, 208507, 213356, 224546, 229768, 271544, 344344, 352858, 373373, 417014, 426712, 449092, 705716, 746746, 834028, 898184, 1235003, 1411432, 1459549, 1493492, 1668056, 2293577, 2470006, 2919098, 2986984, 4587154, 4940012, 5838196, 9174308, 9880024, 11676392, 16055039, 18348616, 32110078, 64220156, 128440312]

約数ペア:

[(1, 128440312), (2, 64220156), (4, 32110078), (7, 18348616), (8, 16055039), (11, 11676392), (13, 9880024), (14, 9174308), (22, 5838196), (26, 4940012), (28, 4587154), (43, 2986984), (44, 2919098), (52, 2470006), (56, 2293577), (77, 1668056), (86, 1493492), (88, 1459549), (91, 1411432), (104, 1235003), (143, 898184), (154, 834028), (172, 746746), (182, 705716), (286, 449092), (301, 426712), (308, 417014), (344, 373373), (364, 352858), (373, 344344), (473, 271544), (559, 229768), (572, 224546), (602, 213356), (616, 208507), (728, 176429), (746, 172172), (946, 135772), (1001, 128312), (1118, 114884), (1144, 112273), (1204, 106678), (1492, 86086), (1892, 67886), (2002, 64156), (2236, 57442), (2408, 53339), (2611, 49192), (2984, 43043), (3311, 38792), (3784, 33943), (3913, 32824), (4004, 32078), (4103, 31304), (4472, 28721), (4849, 26488), (5222, 24596), (6149, 20888), (6622, 19396), (7826, 16412), (8008, 16039), (8206, 15652), (9698, 13244), (10444, 12298)]