1389731840

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 224

約数和(自身を含む): 3944502144

約数和(自身を除く): 2554770304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 128, 131, 140, 148, 160, 185, 224, 256, 259, 262, 280, 296, 320, 370, 448, 512, 518, 524, 560, 592, 640, 655, 740, 896, 917, 1024, 1036, 1048, 1120, 1184, 1280, 1295, 1310, 1480, 1792, 1834, 2048, 2072, 2096, 2240, 2368, 2560, 2590, 2620, 2960, 3584, 3668, 4096, 4144, 4192, 4480, 4585, 4736, 4847, 5120, 5180, 5240, 5920, 7168, 7336, 8192, 8288, 8384, 8960, 9170, 9472, 9694, 10240, 10360, 10480, 11840, 14336, 14672, 16576, 16768, 17920, 18340, 18944, 19388, 20480, 20720, 20960, 23680, 24235, 28672, 29344, 33152, 33536, 33929, 35840, 36680, 37888, 38776, 40960, 41440, 41920, 47360, 48470, 57344, 58688, 66304, 67072, 67858, 71680, 73360, 75776, 77552, 82880, 83840, 94720, 96940, 117376, 132608, 134144, 135716, 143360, 146720, 151552, 155104, 165760, 167680, 169645, 189440, 193880, 234752, 265216, 268288, 271432, 286720, 293440, 303104, 310208, 331520, 335360, 339290, 378880, 387760, 469504, 530432, 536576, 542864, 586880, 620416, 663040, 670720, 678580, 757760, 775520, 939008, 1060864, 1073152, 1085728, 1173760, 1240832, 1326080, 1341440, 1357160, 1515520, 1551040, 1878016, 2121728, 2171456, 2347520, 2481664, 2652160, 2682880, 2714320, 3102080, 3756032, 4342912, 4695040, 4963328, 5304320, 5365760, 5428640, 6204160, 7512064, 8685824, 9390080, 9926656, 10608640, 10857280, 12408320, 17371648, 18780160, 19853312, 21714560, 24816640, 34743296, 37560320, 39706624, 43429120, 49633280, 69486592, 86858240, 99266560, 138973184, 173716480, 198533120, 277946368, 347432960, 694865920, 1389731840]

約数ペア:

[(1, 1389731840), (2, 694865920), (4, 347432960), (5, 277946368), (7, 198533120), (8, 173716480), (10, 138973184), (14, 99266560), (16, 86858240), (20, 69486592), (28, 49633280), (32, 43429120), (35, 39706624), (37, 37560320), (40, 34743296), (56, 24816640), (64, 21714560), (70, 19853312), (74, 18780160), (80, 17371648), (112, 12408320), (128, 10857280), (131, 10608640), (140, 9926656), (148, 9390080), (160, 8685824), (185, 7512064), (224, 6204160), (256, 5428640), (259, 5365760), (262, 5304320), (280, 4963328), (296, 4695040), (320, 4342912), (370, 3756032), (448, 3102080), (512, 2714320), (518, 2682880), (524, 2652160), (560, 2481664), (592, 2347520), (640, 2171456), (655, 2121728), (740, 1878016), (896, 1551040), (917, 1515520), (1024, 1357160), (1036, 1341440), (1048, 1326080), (1120, 1240832), (1184, 1173760), (1280, 1085728), (1295, 1073152), (1310, 1060864), (1480, 939008), (1792, 775520), (1834, 757760), (2048, 678580), (2072, 670720), (2096, 663040), (2240, 620416), (2368, 586880), (2560, 542864), (2590, 536576), (2620, 530432), (2960, 469504), (3584, 387760), (3668, 378880), (4096, 339290), (4144, 335360), (4192, 331520), (4480, 310208), (4585, 303104), (4736, 293440), (4847, 286720), (5120, 271432), (5180, 268288), (5240, 265216), (5920, 234752), (7168, 193880), (7336, 189440), (8192, 169645), (8288, 167680), (8384, 165760), (8960, 155104), (9170, 151552), (9472, 146720), (9694, 143360), (10240, 135716), (10360, 134144), (10480, 132608), (11840, 117376), (14336, 96940), (14672, 94720), (16576, 83840), (16768, 82880), (17920, 77552), (18340, 75776), (18944, 73360), (19388, 71680), (20480, 67858), (20720, 67072), (20960, 66304), (23680, 58688), (24235, 57344), (28672, 48470), (29344, 47360), (33152, 41920), (33536, 41440), (33929, 40960), (35840, 38776), (36680, 37888)]