2051229320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{499}}^1$

素因数の和:847

約数の個数: 128

約数和(自身を含む): 5404320000

約数和(自身を除く): 3353090680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 277, 280, 371, 424, 499, 530, 554, 742, 998, 1060, 1108, 1385, 1484, 1855, 1939, 1996, 2120, 2216, 2495, 2770, 2968, 3493, 3710, 3878, 3992, 4990, 5540, 6986, 7420, 7756, 9695, 9980, 11080, 13972, 14681, 14840, 15512, 17465, 19390, 19960, 26447, 27944, 29362, 34930, 38780, 52894, 58724, 69860, 73405, 77560, 102767, 105788, 117448, 132235, 138223, 139720, 146810, 185129, 205534, 211576, 264470, 276446, 293620, 370258, 411068, 513835, 528940, 552892, 587240, 691115, 740516, 822136, 925645, 967561, 1027670, 1057880, 1105784, 1382230, 1481032, 1851290, 1935122, 2055340, 2764460, 3702580, 3870244, 4110680, 4837805, 5528920, 7325819, 7405160, 7740488, 9675610, 14651638, 19351220, 29303276, 36629095, 38702440, 51280733, 58606552, 73258190, 102561466, 146516380, 205122932, 256403665, 293032760, 410245864, 512807330, 1025614660, 2051229320]

約数ペア:

[(1, 2051229320), (2, 1025614660), (4, 512807330), (5, 410245864), (7, 293032760), (8, 256403665), (10, 205122932), (14, 146516380), (20, 102561466), (28, 73258190), (35, 58606552), (40, 51280733), (53, 38702440), (56, 36629095), (70, 29303276), (106, 19351220), (140, 14651638), (212, 9675610), (265, 7740488), (277, 7405160), (280, 7325819), (371, 5528920), (424, 4837805), (499, 4110680), (530, 3870244), (554, 3702580), (742, 2764460), (998, 2055340), (1060, 1935122), (1108, 1851290), (1385, 1481032), (1484, 1382230), (1855, 1105784), (1939, 1057880), (1996, 1027670), (2120, 967561), (2216, 925645), (2495, 822136), (2770, 740516), (2968, 691115), (3493, 587240), (3710, 552892), (3878, 528940), (3992, 513835), (4990, 411068), (5540, 370258), (6986, 293620), (7420, 276446), (7756, 264470), (9695, 211576), (9980, 205534), (11080, 185129), (13972, 146810), (14681, 139720), (14840, 138223), (15512, 132235), (17465, 117448), (19390, 105788), (19960, 102767), (26447, 77560), (27944, 73405), (29362, 69860), (34930, 58724), (38780, 52894)]