280729904

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:235

約数の個数: 160

約数和(自身を含む): 713954304

約数和(自身を除く): 433224400

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 52, 56, 83, 91, 92, 101, 104, 112, 161, 166, 182, 184, 202, 208, 299, 322, 332, 364, 368, 404, 581, 598, 644, 664, 707, 728, 808, 1079, 1162, 1196, 1288, 1313, 1328, 1414, 1456, 1616, 1909, 2093, 2158, 2323, 2324, 2392, 2576, 2626, 2828, 3818, 4186, 4316, 4646, 4648, 4784, 5252, 5656, 7553, 7636, 8372, 8383, 8632, 9191, 9292, 9296, 10504, 11312, 13363, 15106, 15272, 16261, 16744, 16766, 17264, 18382, 18584, 21008, 24817, 26726, 30199, 30212, 30544, 32522, 33488, 33532, 36764, 37168, 49634, 53452, 58681, 60398, 60424, 65044, 67064, 73528, 99268, 106904, 108979, 117362, 120796, 120848, 130088, 134128, 147056, 173719, 192809, 198536, 211393, 213808, 217958, 234724, 241592, 260176, 347438, 385618, 397072, 422786, 435916, 469448, 483184, 694876, 762853, 771236, 845572, 871832, 938896, 1349663, 1389752, 1525706, 1542472, 1691144, 1743664, 2506517, 2699326, 2779504, 3051412, 3084944, 3382288, 5013034, 5398652, 6102824, 10026068, 10797304, 12205648, 17545619, 20052136, 21594608, 35091238, 40104272, 70182476, 140364952, 280729904]

約数ペア:

[(1, 280729904), (2, 140364952), (4, 70182476), (7, 40104272), (8, 35091238), (13, 21594608), (14, 20052136), (16, 17545619), (23, 12205648), (26, 10797304), (28, 10026068), (46, 6102824), (52, 5398652), (56, 5013034), (83, 3382288), (91, 3084944), (92, 3051412), (101, 2779504), (104, 2699326), (112, 2506517), (161, 1743664), (166, 1691144), (182, 1542472), (184, 1525706), (202, 1389752), (208, 1349663), (299, 938896), (322, 871832), (332, 845572), (364, 771236), (368, 762853), (404, 694876), (581, 483184), (598, 469448), (644, 435916), (664, 422786), (707, 397072), (728, 385618), (808, 347438), (1079, 260176), (1162, 241592), (1196, 234724), (1288, 217958), (1313, 213808), (1328, 211393), (1414, 198536), (1456, 192809), (1616, 173719), (1909, 147056), (2093, 134128), (2158, 130088), (2323, 120848), (2324, 120796), (2392, 117362), (2576, 108979), (2626, 106904), (2828, 99268), (3818, 73528), (4186, 67064), (4316, 65044), (4646, 60424), (4648, 60398), (4784, 58681), (5252, 53452), (5656, 49634), (7553, 37168), (7636, 36764), (8372, 33532), (8383, 33488), (8632, 32522), (9191, 30544), (9292, 30212), (9296, 30199), (10504, 26726), (11312, 24817), (13363, 21008), (15106, 18584), (15272, 18382), (16261, 17264), (16744, 16766)]