311885728

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:387

約数の個数: 144

約数和(自身を含む): 794731392

約数和(自身を除く): 482845664

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 37, 44, 56, 74, 77, 88, 112, 121, 148, 154, 176, 224, 242, 259, 296, 308, 311, 352, 407, 484, 518, 592, 616, 622, 814, 847, 968, 1036, 1184, 1232, 1244, 1628, 1694, 1936, 2072, 2177, 2464, 2488, 2849, 3256, 3388, 3421, 3872, 4144, 4354, 4477, 4976, 5698, 6512, 6776, 6842, 8288, 8708, 8954, 9952, 11396, 11507, 13024, 13552, 13684, 17416, 17908, 22792, 23014, 23947, 27104, 27368, 31339, 34832, 35816, 37631, 45584, 46028, 47894, 54736, 62678, 69664, 71632, 75262, 80549, 91168, 92056, 95788, 109472, 125356, 126577, 143264, 150524, 161098, 184112, 191576, 250712, 253154, 263417, 301048, 322196, 368224, 383152, 501424, 506308, 526834, 602096, 644392, 766304, 886039, 1002848, 1012616, 1053668, 1204192, 1288784, 1392347, 1772078, 2025232, 2107336, 2577568, 2784694, 3544156, 4050464, 4214672, 5569388, 7088312, 8429344, 9746429, 11138776, 14176624, 19492858, 22277552, 28353248, 38985716, 44555104, 77971432, 155942864, 311885728]

約数ペア:

[(1, 311885728), (2, 155942864), (4, 77971432), (7, 44555104), (8, 38985716), (11, 28353248), (14, 22277552), (16, 19492858), (22, 14176624), (28, 11138776), (32, 9746429), (37, 8429344), (44, 7088312), (56, 5569388), (74, 4214672), (77, 4050464), (88, 3544156), (112, 2784694), (121, 2577568), (148, 2107336), (154, 2025232), (176, 1772078), (224, 1392347), (242, 1288784), (259, 1204192), (296, 1053668), (308, 1012616), (311, 1002848), (352, 886039), (407, 766304), (484, 644392), (518, 602096), (592, 526834), (616, 506308), (622, 501424), (814, 383152), (847, 368224), (968, 322196), (1036, 301048), (1184, 263417), (1232, 253154), (1244, 250712), (1628, 191576), (1694, 184112), (1936, 161098), (2072, 150524), (2177, 143264), (2464, 126577), (2488, 125356), (2849, 109472), (3256, 95788), (3388, 92056), (3421, 91168), (3872, 80549), (4144, 75262), (4354, 71632), (4477, 69664), (4976, 62678), (5698, 54736), (6512, 47894), (6776, 46028), (6842, 45584), (8288, 37631), (8708, 35816), (8954, 34832), (9952, 31339), (11396, 27368), (11507, 27104), (13024, 23947), (13552, 23014), (13684, 22792), (17416, 17908)]