1990313964

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{1289}}^1$

素因数の和:1377

約数の個数: 144

約数和(自身を含む): 5662893600

約数和(自身を除く): 3672579636

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 29, 34, 36, 51, 54, 58, 68, 87, 102, 108, 116, 153, 174, 204, 261, 306, 348, 459, 493, 522, 612, 783, 841, 918, 986, 1044, 1289, 1479, 1566, 1682, 1836, 1972, 2523, 2578, 2958, 3132, 3364, 3867, 4437, 5046, 5156, 5916, 7569, 7734, 8874, 10092, 11601, 13311, 14297, 15138, 15468, 17748, 21913, 22707, 23202, 26622, 28594, 30276, 34803, 37381, 42891, 43826, 45414, 46404, 53244, 57188, 65739, 69606, 74762, 85782, 87652, 90828, 112143, 128673, 131478, 139212, 149524, 171564, 197217, 224286, 257346, 262956, 336429, 386019, 394434, 448572, 514692, 591651, 635477, 672858, 772038, 788868, 1009287, 1084049, 1183302, 1270954, 1345716, 1544076, 1906431, 2018574, 2168098, 2366604, 2541908, 3252147, 3812862, 4037148, 4336196, 5719293, 6504294, 7625724, 9756441, 11438586, 13008588, 17157879, 18428833, 19512882, 22877172, 29269323, 34315758, 36857666, 39025764, 55286499, 58538646, 68631516, 73715332, 110572998, 117077292, 165859497, 221145996, 331718994, 497578491, 663437988, 995156982, 1990313964]

約数ペア:

[(1, 1990313964), (2, 995156982), (3, 663437988), (4, 497578491), (6, 331718994), (9, 221145996), (12, 165859497), (17, 117077292), (18, 110572998), (27, 73715332), (29, 68631516), (34, 58538646), (36, 55286499), (51, 39025764), (54, 36857666), (58, 34315758), (68, 29269323), (87, 22877172), (102, 19512882), (108, 18428833), (116, 17157879), (153, 13008588), (174, 11438586), (204, 9756441), (261, 7625724), (306, 6504294), (348, 5719293), (459, 4336196), (493, 4037148), (522, 3812862), (612, 3252147), (783, 2541908), (841, 2366604), (918, 2168098), (986, 2018574), (1044, 1906431), (1289, 1544076), (1479, 1345716), (1566, 1270954), (1682, 1183302), (1836, 1084049), (1972, 1009287), (2523, 788868), (2578, 772038), (2958, 672858), (3132, 635477), (3364, 591651), (3867, 514692), (4437, 448572), (5046, 394434), (5156, 386019), (5916, 336429), (7569, 262956), (7734, 257346), (8874, 224286), (10092, 197217), (11601, 171564), (13311, 149524), (14297, 139212), (15138, 131478), (15468, 128673), (17748, 112143), (21913, 90828), (22707, 87652), (23202, 85782), (26622, 74762), (28594, 69606), (30276, 65739), (34803, 57188), (37381, 53244), (42891, 46404), (43826, 45414)]