1389936640

素因数分解:

$2^{14}\times 5^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 180

約数和(自身を含む): 3595457376

約数和(自身を除く): 2205520736

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 64, 76, 80, 94, 95, 128, 152, 160, 188, 190, 235, 256, 304, 320, 361, 376, 380, 470, 512, 608, 640, 722, 752, 760, 893, 940, 1024, 1216, 1280, 1444, 1504, 1520, 1786, 1805, 1880, 2048, 2432, 2560, 2888, 3008, 3040, 3572, 3610, 3760, 4096, 4465, 4864, 5120, 5776, 6016, 6080, 7144, 7220, 7520, 8192, 8930, 9728, 10240, 11552, 12032, 12160, 14288, 14440, 15040, 16384, 16967, 17860, 19456, 20480, 23104, 24064, 24320, 28576, 28880, 30080, 33934, 35720, 38912, 40960, 46208, 48128, 48640, 57152, 57760, 60160, 67868, 71440, 77824, 81920, 84835, 92416, 96256, 97280, 114304, 115520, 120320, 135736, 142880, 155648, 169670, 184832, 192512, 194560, 228608, 231040, 240640, 271472, 285760, 311296, 339340, 369664, 385024, 389120, 457216, 462080, 481280, 542944, 571520, 678680, 739328, 770048, 778240, 914432, 924160, 962560, 1085888, 1143040, 1357360, 1478656, 1556480, 1828864, 1848320, 1925120, 2171776, 2286080, 2714720, 2957312, 3657728, 3696640, 3850240, 4343552, 4572160, 5429440, 5914624, 7315456, 7393280, 8687104, 9144320, 10858880, 14630912, 14786560, 17374208, 18288640, 21717760, 29573120, 34748416, 36577280, 43435520, 69496832, 73154560, 86871040, 138993664, 173742080, 277987328, 347484160, 694968320, 1389936640]

約数ペア:

[(1, 1389936640), (2, 694968320), (4, 347484160), (5, 277987328), (8, 173742080), (10, 138993664), (16, 86871040), (19, 73154560), (20, 69496832), (32, 43435520), (38, 36577280), (40, 34748416), (47, 29573120), (64, 21717760), (76, 18288640), (80, 17374208), (94, 14786560), (95, 14630912), (128, 10858880), (152, 9144320), (160, 8687104), (188, 7393280), (190, 7315456), (235, 5914624), (256, 5429440), (304, 4572160), (320, 4343552), (361, 3850240), (376, 3696640), (380, 3657728), (470, 2957312), (512, 2714720), (608, 2286080), (640, 2171776), (722, 1925120), (752, 1848320), (760, 1828864), (893, 1556480), (940, 1478656), (1024, 1357360), (1216, 1143040), (1280, 1085888), (1444, 962560), (1504, 924160), (1520, 914432), (1786, 778240), (1805, 770048), (1880, 739328), (2048, 678680), (2432, 571520), (2560, 542944), (2888, 481280), (3008, 462080), (3040, 457216), (3572, 389120), (3610, 385024), (3760, 369664), (4096, 339340), (4465, 311296), (4864, 285760), (5120, 271472), (5776, 240640), (6016, 231040), (6080, 228608), (7144, 194560), (7220, 192512), (7520, 184832), (8192, 169670), (8930, 155648), (9728, 142880), (10240, 135736), (11552, 120320), (12032, 115520), (12160, 114304), (14288, 97280), (14440, 96256), (15040, 92416), (16384, 84835), (16967, 81920), (17860, 77824), (19456, 71440), (20480, 67868), (23104, 60160), (24064, 57760), (24320, 57152), (28576, 48640), (28880, 48128), (30080, 46208), (33934, 40960), (35720, 38912)]