391022720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1$

素因数の和:926

約数の個数: 128

約数和(自身を含む): 1036238400

約数和(自身を除く): 645215680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 67, 80, 88, 110, 128, 134, 160, 176, 220, 268, 320, 335, 352, 440, 536, 640, 670, 704, 737, 829, 880, 1072, 1340, 1408, 1474, 1658, 1760, 2144, 2680, 2948, 3316, 3520, 3685, 4145, 4288, 5360, 5896, 6632, 7040, 7370, 8290, 8576, 9119, 10720, 11792, 13264, 14740, 16580, 18238, 21440, 23584, 26528, 29480, 33160, 36476, 42880, 45595, 47168, 53056, 55543, 58960, 66320, 72952, 91190, 94336, 106112, 111086, 117920, 132640, 145904, 182380, 222172, 235840, 265280, 277715, 291808, 364760, 444344, 471680, 530560, 555430, 583616, 610973, 729520, 888688, 1110860, 1167232, 1221946, 1459040, 1777376, 2221720, 2443892, 2918080, 3054865, 3554752, 4443440, 4887784, 5836160, 6109730, 7109504, 8886880, 9775568, 12219460, 17773760, 19551136, 24438920, 35547520, 39102272, 48877840, 78204544, 97755680, 195511360, 391022720]

約数ペア:

[(1, 391022720), (2, 195511360), (4, 97755680), (5, 78204544), (8, 48877840), (10, 39102272), (11, 35547520), (16, 24438920), (20, 19551136), (22, 17773760), (32, 12219460), (40, 9775568), (44, 8886880), (55, 7109504), (64, 6109730), (67, 5836160), (80, 4887784), (88, 4443440), (110, 3554752), (128, 3054865), (134, 2918080), (160, 2443892), (176, 2221720), (220, 1777376), (268, 1459040), (320, 1221946), (335, 1167232), (352, 1110860), (440, 888688), (536, 729520), (640, 610973), (670, 583616), (704, 555430), (737, 530560), (829, 471680), (880, 444344), (1072, 364760), (1340, 291808), (1408, 277715), (1474, 265280), (1658, 235840), (1760, 222172), (2144, 182380), (2680, 145904), (2948, 132640), (3316, 117920), (3520, 111086), (3685, 106112), (4145, 94336), (4288, 91190), (5360, 72952), (5896, 66320), (6632, 58960), (7040, 55543), (7370, 53056), (8290, 47168), (8576, 45595), (9119, 42880), (10720, 36476), (11792, 33160), (13264, 29480), (14740, 26528), (16580, 23584), (18238, 21440)]