1388965760

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3407}}^1$

素因数の和:3453

約数の個数: 192

約数和(自身を含む): 4160963520

約数和(自身を除く): 2771997760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 560, 637, 640, 728, 784, 832, 896, 910, 980, 1040, 1120, 1274, 1456, 1568, 1664, 1820, 1960, 2080, 2240, 2548, 2912, 3136, 3185, 3407, 3640, 3920, 4160, 4480, 5096, 5824, 6272, 6370, 6814, 7280, 7840, 8320, 10192, 11648, 12740, 13628, 14560, 15680, 17035, 20384, 23849, 25480, 27256, 29120, 31360, 34070, 40768, 44291, 47698, 50960, 54512, 58240, 68140, 81536, 88582, 95396, 101920, 109024, 119245, 136280, 166943, 177164, 190792, 203840, 218048, 221455, 238490, 272560, 310037, 333886, 354328, 381584, 407680, 436096, 442910, 476980, 545120, 620074, 667772, 708656, 763168, 834715, 885820, 953960, 1090240, 1240148, 1335544, 1417312, 1526336, 1550185, 1669430, 1771640, 1907920, 2170259, 2180480, 2480296, 2671088, 2834624, 3052672, 3100370, 3338860, 3543280, 3815840, 4340518, 4960592, 5342176, 5669248, 6200740, 6677720, 7086560, 7631680, 8681036, 9921184, 10684352, 10851295, 12401480, 13355440, 14173120, 15263360, 17362072, 19842368, 21368704, 21702590, 24802960, 26710880, 28346240, 34724144, 39684736, 43405180, 49605920, 53421760, 69448288, 86810360, 99211840, 106843520, 138896576, 173620720, 198423680, 277793152, 347241440, 694482880, 1388965760]

約数ペア:

[(1, 1388965760), (2, 694482880), (4, 347241440), (5, 277793152), (7, 198423680), (8, 173620720), (10, 138896576), (13, 106843520), (14, 99211840), (16, 86810360), (20, 69448288), (26, 53421760), (28, 49605920), (32, 43405180), (35, 39684736), (40, 34724144), (49, 28346240), (52, 26710880), (56, 24802960), (64, 21702590), (65, 21368704), (70, 19842368), (80, 17362072), (91, 15263360), (98, 14173120), (104, 13355440), (112, 12401480), (128, 10851295), (130, 10684352), (140, 9921184), (160, 8681036), (182, 7631680), (196, 7086560), (208, 6677720), (224, 6200740), (245, 5669248), (260, 5342176), (280, 4960592), (320, 4340518), (364, 3815840), (392, 3543280), (416, 3338860), (448, 3100370), (455, 3052672), (490, 2834624), (520, 2671088), (560, 2480296), (637, 2180480), (640, 2170259), (728, 1907920), (784, 1771640), (832, 1669430), (896, 1550185), (910, 1526336), (980, 1417312), (1040, 1335544), (1120, 1240148), (1274, 1090240), (1456, 953960), (1568, 885820), (1664, 834715), (1820, 763168), (1960, 708656), (2080, 667772), (2240, 620074), (2548, 545120), (2912, 476980), (3136, 442910), (3185, 436096), (3407, 407680), (3640, 381584), (3920, 354328), (4160, 333886), (4480, 310037), (5096, 272560), (5824, 238490), (6272, 221455), (6370, 218048), (6814, 203840), (7280, 190792), (7840, 177164), (8320, 166943), (10192, 136280), (11648, 119245), (12740, 109024), (13628, 101920), (14560, 95396), (15680, 88582), (17035, 81536), (20384, 68140), (23849, 58240), (25480, 54512), (27256, 50960), (29120, 47698), (31360, 44291), (34070, 40768)]