399091728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:785

約数の個数: 160

約数和(自身を含む): 1260990720

約数和(自身を除く): 861898992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 56, 68, 84, 102, 109, 112, 119, 136, 168, 204, 218, 238, 272, 327, 336, 357, 408, 436, 476, 641, 654, 714, 763, 816, 872, 952, 1282, 1308, 1428, 1526, 1744, 1853, 1904, 1923, 2289, 2564, 2616, 2856, 3052, 3706, 3846, 4487, 4578, 5128, 5232, 5559, 5712, 6104, 7412, 7692, 8974, 9156, 10256, 10897, 11118, 12208, 12971, 13461, 14824, 15384, 17948, 18312, 21794, 22236, 25942, 26922, 29648, 30768, 32691, 35896, 36624, 38913, 43588, 44472, 51884, 53844, 65382, 69869, 71792, 76279, 77826, 87176, 88944, 103768, 107688, 130764, 139738, 152558, 155652, 174352, 207536, 209607, 215376, 228837, 261528, 279476, 305116, 311304, 419214, 457674, 489083, 523056, 558952, 610232, 622608, 838428, 915348, 978166, 1117904, 1187773, 1220464, 1467249, 1676856, 1830696, 1956332, 2375546, 2934498, 3353712, 3563319, 3661392, 3912664, 4751092, 5868996, 7126638, 7825328, 8314411, 9502184, 11737992, 14253276, 16628822, 19004368, 23475984, 24943233, 28506552, 33257644, 49886466, 57013104, 66515288, 99772932, 133030576, 199545864, 399091728]

約数ペア:

[(1, 399091728), (2, 199545864), (3, 133030576), (4, 99772932), (6, 66515288), (7, 57013104), (8, 49886466), (12, 33257644), (14, 28506552), (16, 24943233), (17, 23475984), (21, 19004368), (24, 16628822), (28, 14253276), (34, 11737992), (42, 9502184), (48, 8314411), (51, 7825328), (56, 7126638), (68, 5868996), (84, 4751092), (102, 3912664), (109, 3661392), (112, 3563319), (119, 3353712), (136, 2934498), (168, 2375546), (204, 1956332), (218, 1830696), (238, 1676856), (272, 1467249), (327, 1220464), (336, 1187773), (357, 1117904), (408, 978166), (436, 915348), (476, 838428), (641, 622608), (654, 610232), (714, 558952), (763, 523056), (816, 489083), (872, 457674), (952, 419214), (1282, 311304), (1308, 305116), (1428, 279476), (1526, 261528), (1744, 228837), (1853, 215376), (1904, 209607), (1923, 207536), (2289, 174352), (2564, 155652), (2616, 152558), (2856, 139738), (3052, 130764), (3706, 107688), (3846, 103768), (4487, 88944), (4578, 87176), (5128, 77826), (5232, 76279), (5559, 71792), (5712, 69869), (6104, 65382), (7412, 53844), (7692, 51884), (8974, 44472), (9156, 43588), (10256, 38913), (10897, 36624), (11118, 35896), (12208, 32691), (12971, 30768), (13461, 29648), (14824, 26922), (15384, 25942), (17948, 22236), (18312, 21794)]