281696272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 160

約数和(自身を含む): 688455936

約数和(自身を除く): 406759664

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 23, 26, 44, 46, 52, 53, 88, 92, 101, 104, 106, 143, 176, 184, 202, 208, 212, 253, 286, 299, 368, 404, 424, 506, 572, 583, 598, 689, 808, 848, 1012, 1111, 1144, 1166, 1196, 1219, 1313, 1378, 1616, 2024, 2222, 2288, 2323, 2332, 2392, 2438, 2626, 2756, 3289, 4048, 4444, 4646, 4664, 4784, 4876, 5252, 5353, 5512, 6578, 7579, 8888, 9292, 9328, 9752, 10504, 10706, 11024, 13156, 13409, 14443, 15158, 15847, 17776, 18584, 19504, 21008, 21412, 25553, 26312, 26818, 28886, 30199, 30316, 31694, 37168, 42824, 51106, 52624, 53636, 57772, 58883, 60398, 60632, 63388, 69589, 85648, 102212, 107272, 115544, 117766, 120796, 121264, 123119, 126776, 139178, 174317, 204424, 214544, 231088, 235532, 241592, 246238, 253552, 278356, 332189, 348634, 408848, 471064, 483184, 492476, 556712, 664378, 697268, 765479, 942128, 984952, 1113424, 1328756, 1354309, 1394536, 1530958, 1600547, 1969904, 2657512, 2708618, 2789072, 3061916, 3201094, 5315024, 5417236, 6123832, 6402188, 10834472, 12247664, 12804376, 17606017, 21668944, 25608752, 35212034, 70424068, 140848136, 281696272]

約数ペア:

[(1, 281696272), (2, 140848136), (4, 70424068), (8, 35212034), (11, 25608752), (13, 21668944), (16, 17606017), (22, 12804376), (23, 12247664), (26, 10834472), (44, 6402188), (46, 6123832), (52, 5417236), (53, 5315024), (88, 3201094), (92, 3061916), (101, 2789072), (104, 2708618), (106, 2657512), (143, 1969904), (176, 1600547), (184, 1530958), (202, 1394536), (208, 1354309), (212, 1328756), (253, 1113424), (286, 984952), (299, 942128), (368, 765479), (404, 697268), (424, 664378), (506, 556712), (572, 492476), (583, 483184), (598, 471064), (689, 408848), (808, 348634), (848, 332189), (1012, 278356), (1111, 253552), (1144, 246238), (1166, 241592), (1196, 235532), (1219, 231088), (1313, 214544), (1378, 204424), (1616, 174317), (2024, 139178), (2222, 126776), (2288, 123119), (2323, 121264), (2332, 120796), (2392, 117766), (2438, 115544), (2626, 107272), (2756, 102212), (3289, 85648), (4048, 69589), (4444, 63388), (4646, 60632), (4664, 60398), (4784, 58883), (4876, 57772), (5252, 53636), (5353, 52624), (5512, 51106), (6578, 42824), (7579, 37168), (8888, 31694), (9292, 30316), (9328, 30199), (9752, 28886), (10504, 26818), (10706, 26312), (11024, 25553), (13156, 21412), (13409, 21008), (14443, 19504), (15158, 18584), (15847, 17776)]