1999939704

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:539

約数の個数: 256

約数和(自身を含む): 6386688000

約数和(自身を除く): 4386748296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 31, 34, 42, 49, 51, 56, 62, 68, 84, 93, 98, 102, 119, 124, 136, 147, 168, 186, 196, 204, 217, 238, 248, 294, 343, 357, 372, 392, 408, 434, 461, 476, 527, 588, 651, 686, 714, 744, 833, 868, 922, 952, 1029, 1054, 1176, 1302, 1372, 1383, 1428, 1519, 1581, 1666, 1736, 1844, 2058, 2108, 2499, 2604, 2744, 2766, 2856, 3038, 3162, 3227, 3332, 3688, 3689, 4116, 4216, 4557, 4998, 5208, 5532, 5831, 6076, 6324, 6454, 6664, 7378, 7837, 8232, 9114, 9681, 9996, 10633, 11064, 11067, 11662, 12152, 12648, 12908, 14291, 14756, 15674, 17493, 18228, 19362, 19992, 21266, 22134, 22589, 23324, 23511, 25816, 25823, 28582, 29512, 31348, 31899, 34986, 36456, 38724, 42532, 42873, 44268, 45178, 46648, 47022, 51646, 54859, 57164, 62696, 63798, 67767, 69972, 77448, 77469, 85064, 85746, 88536, 90356, 94044, 100037, 103292, 109718, 114328, 127596, 135534, 139944, 154938, 158123, 164577, 171492, 180712, 180761, 188088, 200074, 206584, 219436, 242947, 255192, 271068, 300111, 309876, 316246, 329154, 342984, 361522, 384013, 400148, 438872, 474369, 485894, 542136, 542283, 600222, 619752, 632492, 658308, 700259, 723044, 728841, 768026, 800296, 948738, 971788, 1084566, 1152039, 1200444, 1264984, 1316616, 1400518, 1446088, 1457682, 1536052, 1700629, 1897476, 1943576, 2100777, 2169132, 2304078, 2400888, 2688091, 2801036, 2915364, 3072104, 3401258, 3794952, 4201554, 4338264, 4608156, 4901813, 5101887, 5376182, 5602072, 5830728, 6802516, 8064273, 8403108, 9216312, 9803626, 10203774, 10752364, 11904403, 13605032, 14705439, 16128546, 16806216, 19607252, 20407548, 21504728, 23808806, 29410878, 32257092, 35713209, 39214504, 40815096, 47617612, 58821756, 64514184, 71426418, 83330821, 95235224, 117643512, 142852836, 166661642, 249992463, 285705672, 333323284, 499984926, 666646568, 999969852, 1999939704]

約数ペア:

[(1, 1999939704), (2, 999969852), (3, 666646568), (4, 499984926), (6, 333323284), (7, 285705672), (8, 249992463), (12, 166661642), (14, 142852836), (17, 117643512), (21, 95235224), (24, 83330821), (28, 71426418), (31, 64514184), (34, 58821756), (42, 47617612), (49, 40815096), (51, 39214504), (56, 35713209), (62, 32257092), (68, 29410878), (84, 23808806), (93, 21504728), (98, 20407548), (102, 19607252), (119, 16806216), (124, 16128546), (136, 14705439), (147, 13605032), (168, 11904403), (186, 10752364), (196, 10203774), (204, 9803626), (217, 9216312), (238, 8403108), (248, 8064273), (294, 6802516), (343, 5830728), (357, 5602072), (372, 5376182), (392, 5101887), (408, 4901813), (434, 4608156), (461, 4338264), (476, 4201554), (527, 3794952), (588, 3401258), (651, 3072104), (686, 2915364), (714, 2801036), (744, 2688091), (833, 2400888), (868, 2304078), (922, 2169132), (952, 2100777), (1029, 1943576), (1054, 1897476), (1176, 1700629), (1302, 1536052), (1372, 1457682), (1383, 1446088), (1428, 1400518), (1519, 1316616), (1581, 1264984), (1666, 1200444), (1736, 1152039), (1844, 1084566), (2058, 971788), (2108, 948738), (2499, 800296), (2604, 768026), (2744, 728841), (2766, 723044), (2856, 700259), (3038, 658308), (3162, 632492), (3227, 619752), (3332, 600222), (3688, 542283), (3689, 542136), (4116, 485894), (4216, 474369), (4557, 438872), (4998, 400148), (5208, 384013), (5532, 361522), (5831, 342984), (6076, 329154), (6324, 316246), (6454, 309876), (6664, 300111), (7378, 271068), (7837, 255192), (8232, 242947), (9114, 219436), (9681, 206584), (9996, 200074), (10633, 188088), (11064, 180761), (11067, 180712), (11662, 171492), (12152, 164577), (12648, 158123), (12908, 154938), (14291, 139944), (14756, 135534), (15674, 127596), (17493, 114328), (18228, 109718), (19362, 103292), (19992, 100037), (21266, 94044), (22134, 90356), (22589, 88536), (23324, 85746), (23511, 85064), (25816, 77469), (25823, 77448), (28582, 69972), (29512, 67767), (31348, 63798), (31899, 62696), (34986, 57164), (36456, 54859), (38724, 51646), (42532, 47022), (42873, 46648), (44268, 45178)]