1390820704

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 216

約数和(自身を含む): 3594389904

約数和(自身を除く): 2203569200

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 49, 52, 56, 62, 71, 91, 98, 104, 112, 124, 142, 182, 196, 208, 217, 224, 248, 284, 364, 392, 403, 416, 434, 496, 497, 568, 637, 728, 784, 806, 868, 923, 961, 992, 994, 1136, 1274, 1456, 1519, 1568, 1612, 1736, 1846, 1922, 1988, 2201, 2272, 2548, 2821, 2912, 3038, 3224, 3472, 3479, 3692, 3844, 3976, 4402, 5096, 5642, 6076, 6448, 6461, 6727, 6944, 6958, 7384, 7688, 7952, 8804, 10192, 11284, 12152, 12493, 12896, 12922, 13454, 13916, 14768, 15376, 15407, 15904, 17608, 19747, 20384, 22568, 24304, 24986, 25844, 26908, 27832, 28613, 29536, 30752, 30814, 35216, 39494, 45136, 45227, 47089, 48608, 49972, 51688, 53816, 55664, 57226, 61628, 68231, 70432, 78988, 87451, 90272, 90454, 94178, 99944, 103376, 107632, 107849, 111328, 114452, 123256, 136462, 157976, 174902, 180908, 188356, 199888, 200291, 206752, 215264, 215698, 228904, 246512, 272924, 315952, 349804, 361816, 376712, 399776, 400582, 431396, 457808, 477617, 493024, 545848, 612157, 631904, 699608, 723632, 753424, 801164, 862792, 887003, 915616, 955234, 1091696, 1224314, 1399216, 1402037, 1447264, 1506848, 1602328, 1725584, 1774006, 1910468, 2183392, 2448628, 2798432, 2804074, 3204656, 3343319, 3451168, 3548012, 3820936, 4897256, 5608148, 6209021, 6409312, 6686638, 7096024, 7641872, 9794512, 11216296, 12418042, 13373276, 14192048, 15283744, 19589024, 22432592, 24836084, 26746552, 28384096, 43463147, 44865184, 49672168, 53493104, 86926294, 99344336, 106986208, 173852588, 198688672, 347705176, 695410352, 1390820704]

約数ペア:

[(1, 1390820704), (2, 695410352), (4, 347705176), (7, 198688672), (8, 173852588), (13, 106986208), (14, 99344336), (16, 86926294), (26, 53493104), (28, 49672168), (31, 44865184), (32, 43463147), (49, 28384096), (52, 26746552), (56, 24836084), (62, 22432592), (71, 19589024), (91, 15283744), (98, 14192048), (104, 13373276), (112, 12418042), (124, 11216296), (142, 9794512), (182, 7641872), (196, 7096024), (208, 6686638), (217, 6409312), (224, 6209021), (248, 5608148), (284, 4897256), (364, 3820936), (392, 3548012), (403, 3451168), (416, 3343319), (434, 3204656), (496, 2804074), (497, 2798432), (568, 2448628), (637, 2183392), (728, 1910468), (784, 1774006), (806, 1725584), (868, 1602328), (923, 1506848), (961, 1447264), (992, 1402037), (994, 1399216), (1136, 1224314), (1274, 1091696), (1456, 955234), (1519, 915616), (1568, 887003), (1612, 862792), (1736, 801164), (1846, 753424), (1922, 723632), (1988, 699608), (2201, 631904), (2272, 612157), (2548, 545848), (2821, 493024), (2912, 477617), (3038, 457808), (3224, 431396), (3472, 400582), (3479, 399776), (3692, 376712), (3844, 361816), (3976, 349804), (4402, 315952), (5096, 272924), (5642, 246512), (6076, 228904), (6448, 215698), (6461, 215264), (6727, 206752), (6944, 200291), (6958, 199888), (7384, 188356), (7688, 180908), (7952, 174902), (8804, 157976), (10192, 136462), (11284, 123256), (12152, 114452), (12493, 111328), (12896, 107849), (12922, 107632), (13454, 103376), (13916, 99944), (14768, 94178), (15376, 90454), (15407, 90272), (15904, 87451), (17608, 78988), (19747, 70432), (20384, 68231), (22568, 61628), (24304, 57226), (24986, 55664), (25844, 53816), (26908, 51688), (27832, 49972), (28613, 48608), (29536, 47089), (30752, 45227), (30814, 45136), (35216, 39494)]