211394456

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:122

約数の個数: 256

約数和(自身を含む): 580608000

約数和(自身を除く): 369213544

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 19, 26, 28, 29, 31, 34, 38, 52, 56, 58, 62, 68, 76, 91, 104, 116, 119, 124, 133, 136, 152, 182, 203, 217, 221, 232, 238, 247, 248, 266, 323, 364, 377, 403, 406, 434, 442, 476, 493, 494, 527, 532, 551, 589, 646, 728, 754, 806, 812, 868, 884, 899, 952, 986, 988, 1054, 1064, 1102, 1178, 1292, 1508, 1547, 1612, 1624, 1729, 1736, 1768, 1798, 1972, 1976, 2108, 2204, 2261, 2356, 2584, 2639, 2821, 3016, 3094, 3224, 3451, 3458, 3596, 3689, 3857, 3944, 4123, 4199, 4216, 4408, 4522, 4712, 5278, 5642, 6188, 6293, 6409, 6851, 6902, 6916, 7163, 7192, 7378, 7657, 7714, 8246, 8398, 9044, 9367, 10013, 10556, 11284, 11687, 12376, 12586, 12818, 13702, 13804, 13832, 14326, 14756, 15283, 15314, 15428, 16492, 16796, 17081, 18088, 18734, 20026, 21112, 22568, 23374, 25172, 25636, 27404, 27608, 28652, 29393, 29512, 30566, 30628, 30856, 32984, 33592, 34162, 37468, 40052, 44863, 46748, 47957, 50141, 50344, 51272, 53599, 54808, 57304, 58786, 61132, 61256, 65569, 68324, 70091, 74936, 80104, 81809, 89726, 93496, 95914, 100282, 106981, 107198, 117572, 119567, 121771, 122264, 130169, 131138, 136648, 140182, 163618, 179452, 191828, 198679, 200564, 213962, 214396, 222053, 235144, 239134, 243542, 260338, 262276, 280364, 290377, 327236, 358904, 383656, 397358, 401128, 427924, 428792, 444106, 478268, 487084, 520676, 524552, 560728, 580754, 654472, 794716, 852397, 855848, 888212, 911183, 956536, 974168, 1041352, 1161508, 1390753, 1554371, 1589432, 1704794, 1776424, 1822366, 2032639, 2323016, 2781506, 3108742, 3409588, 3644732, 3774901, 4065278, 5563012, 6217484, 6819176, 7289464, 7549802, 8130556, 11126024, 12434968, 15099604, 16261112, 26424307, 30199208, 52848614, 105697228, 211394456]

約数ペア:

[(1, 211394456), (2, 105697228), (4, 52848614), (7, 30199208), (8, 26424307), (13, 16261112), (14, 15099604), (17, 12434968), (19, 11126024), (26, 8130556), (28, 7549802), (29, 7289464), (31, 6819176), (34, 6217484), (38, 5563012), (52, 4065278), (56, 3774901), (58, 3644732), (62, 3409588), (68, 3108742), (76, 2781506), (91, 2323016), (104, 2032639), (116, 1822366), (119, 1776424), (124, 1704794), (133, 1589432), (136, 1554371), (152, 1390753), (182, 1161508), (203, 1041352), (217, 974168), (221, 956536), (232, 911183), (238, 888212), (247, 855848), (248, 852397), (266, 794716), (323, 654472), (364, 580754), (377, 560728), (403, 524552), (406, 520676), (434, 487084), (442, 478268), (476, 444106), (493, 428792), (494, 427924), (527, 401128), (532, 397358), (551, 383656), (589, 358904), (646, 327236), (728, 290377), (754, 280364), (806, 262276), (812, 260338), (868, 243542), (884, 239134), (899, 235144), (952, 222053), (986, 214396), (988, 213962), (1054, 200564), (1064, 198679), (1102, 191828), (1178, 179452), (1292, 163618), (1508, 140182), (1547, 136648), (1612, 131138), (1624, 130169), (1729, 122264), (1736, 121771), (1768, 119567), (1798, 117572), (1972, 107198), (1976, 106981), (2108, 100282), (2204, 95914), (2261, 93496), (2356, 89726), (2584, 81809), (2639, 80104), (2821, 74936), (3016, 70091), (3094, 68324), (3224, 65569), (3451, 61256), (3458, 61132), (3596, 58786), (3689, 57304), (3857, 54808), (3944, 53599), (4123, 51272), (4199, 50344), (4216, 50141), (4408, 47957), (4522, 46748), (4712, 44863), (5278, 40052), (5642, 37468), (6188, 34162), (6293, 33592), (6409, 32984), (6851, 30856), (6902, 30628), (6916, 30566), (7163, 29512), (7192, 29393), (7378, 28652), (7657, 27608), (7714, 27404), (8246, 25636), (8398, 25172), (9044, 23374), (9367, 22568), (10013, 21112), (10556, 20026), (11284, 18734), (11687, 18088), (12376, 17081), (12586, 16796), (12818, 16492), (13702, 15428), (13804, 15314), (13832, 15283), (14326, 14756)]