256853476

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 579156480

約数和(自身を除く): 322303004

約数列:

[1, 2, 4, 11, 17, 19, 22, 31, 34, 38, 44, 53, 62, 68, 76, 106, 121, 124, 187, 209, 212, 242, 323, 341, 374, 418, 484, 527, 583, 589, 646, 682, 748, 836, 901, 1007, 1054, 1166, 1178, 1292, 1364, 1643, 1802, 2014, 2057, 2108, 2299, 2332, 2356, 3286, 3553, 3604, 3751, 4028, 4114, 4598, 5797, 6413, 6479, 6572, 7106, 7502, 8228, 9196, 9911, 10013, 11077, 11594, 12826, 12958, 14212, 15004, 17119, 18073, 19822, 20026, 22154, 23188, 25652, 25916, 27931, 31217, 34238, 36146, 39083, 39644, 40052, 44308, 55862, 62434, 63767, 68476, 71269, 72292, 78166, 109021, 110143, 111724, 121847, 124868, 127534, 142538, 156332, 188309, 198803, 218042, 220286, 243694, 255068, 285076, 307241, 343387, 376618, 397606, 436084, 440572, 487388, 530689, 614482, 686774, 753236, 795212, 1061378, 1211573, 1228964, 1373548, 2071399, 2122756, 2423146, 3379651, 3777257, 4142798, 4846292, 5837579, 6759302, 7554514, 8285596, 11675158, 13518604, 15109028, 23350316, 64213369, 128426738, 256853476]

約数ペア:

[(1, 256853476), (2, 128426738), (4, 64213369), (11, 23350316), (17, 15109028), (19, 13518604), (22, 11675158), (31, 8285596), (34, 7554514), (38, 6759302), (44, 5837579), (53, 4846292), (62, 4142798), (68, 3777257), (76, 3379651), (106, 2423146), (121, 2122756), (124, 2071399), (187, 1373548), (209, 1228964), (212, 1211573), (242, 1061378), (323, 795212), (341, 753236), (374, 686774), (418, 614482), (484, 530689), (527, 487388), (583, 440572), (589, 436084), (646, 397606), (682, 376618), (748, 343387), (836, 307241), (901, 285076), (1007, 255068), (1054, 243694), (1166, 220286), (1178, 218042), (1292, 198803), (1364, 188309), (1643, 156332), (1802, 142538), (2014, 127534), (2057, 124868), (2108, 121847), (2299, 111724), (2332, 110143), (2356, 109021), (3286, 78166), (3553, 72292), (3604, 71269), (3751, 68476), (4028, 63767), (4114, 62434), (4598, 55862), (5797, 44308), (6413, 40052), (6479, 39644), (6572, 39083), (7106, 36146), (7502, 34238), (8228, 31217), (9196, 27931), (9911, 25916), (10013, 25652), (11077, 23188), (11594, 22154), (12826, 20026), (12958, 19822), (14212, 18073), (15004, 17119)]