257090652

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:178

約数の個数: 288

約数和(自身を含む): 866053440

約数和(自身を除く): 608962788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 37, 39, 42, 49, 52, 54, 63, 74, 78, 84, 91, 98, 101, 108, 111, 117, 126, 147, 148, 156, 182, 189, 196, 202, 222, 234, 252, 259, 273, 294, 303, 333, 351, 364, 378, 404, 441, 444, 468, 481, 518, 546, 588, 606, 637, 666, 702, 707, 756, 777, 819, 882, 909, 962, 999, 1036, 1092, 1212, 1274, 1313, 1323, 1332, 1404, 1414, 1443, 1554, 1638, 1764, 1813, 1818, 1911, 1924, 1998, 2121, 2331, 2457, 2548, 2626, 2646, 2727, 2828, 2886, 3108, 3276, 3367, 3626, 3636, 3737, 3822, 3939, 3996, 4242, 4329, 4662, 4914, 4949, 5252, 5292, 5439, 5454, 5733, 5772, 6363, 6734, 6993, 7252, 7474, 7644, 7878, 8484, 8658, 9191, 9324, 9828, 9898, 10101, 10878, 10908, 11211, 11466, 11817, 12726, 12987, 13468, 13986, 14847, 14948, 15756, 16317, 17199, 17316, 18382, 19089, 19796, 20202, 21756, 22422, 22932, 23569, 23634, 25452, 25974, 26159, 27573, 27972, 29694, 30303, 32634, 33633, 34398, 35451, 36764, 38178, 40404, 44541, 44844, 47138, 47268, 48581, 48951, 51948, 52318, 55146, 59388, 60606, 64337, 65268, 67266, 68796, 70707, 70902, 76356, 78477, 82719, 89082, 90909, 94276, 97162, 97902, 100899, 104636, 110292, 121212, 128674, 133623, 134532, 141414, 141804, 145743, 156954, 165438, 178164, 181818, 183113, 193011, 194324, 195804, 201798, 212121, 235431, 248157, 257348, 267246, 282828, 291486, 313908, 330876, 340067, 363636, 366226, 386022, 403596, 424242, 437229, 470862, 496314, 534492, 549339, 579033, 582972, 636363, 680134, 706293, 732452, 772044, 848484, 874458, 941724, 992628, 1020201, 1098678, 1158066, 1272726, 1311687, 1360268, 1412586, 1648017, 1737099, 1748916, 2040402, 2197356, 2316132, 2380469, 2545452, 2623374, 2825172, 3060603, 3296034, 3474198, 4080804, 4760938, 4944051, 5246748, 6121206, 6592068, 6948396, 7141407, 9181809, 9521876, 9888102, 12242412, 14282814, 18363618, 19776204, 21424221, 28565628, 36727236, 42848442, 64272663, 85696884, 128545326, 257090652]

約数ペア:

[(1, 257090652), (2, 128545326), (3, 85696884), (4, 64272663), (6, 42848442), (7, 36727236), (9, 28565628), (12, 21424221), (13, 19776204), (14, 18363618), (18, 14282814), (21, 12242412), (26, 9888102), (27, 9521876), (28, 9181809), (36, 7141407), (37, 6948396), (39, 6592068), (42, 6121206), (49, 5246748), (52, 4944051), (54, 4760938), (63, 4080804), (74, 3474198), (78, 3296034), (84, 3060603), (91, 2825172), (98, 2623374), (101, 2545452), (108, 2380469), (111, 2316132), (117, 2197356), (126, 2040402), (147, 1748916), (148, 1737099), (156, 1648017), (182, 1412586), (189, 1360268), (196, 1311687), (202, 1272726), (222, 1158066), (234, 1098678), (252, 1020201), (259, 992628), (273, 941724), (294, 874458), (303, 848484), (333, 772044), (351, 732452), (364, 706293), (378, 680134), (404, 636363), (441, 582972), (444, 579033), (468, 549339), (481, 534492), (518, 496314), (546, 470862), (588, 437229), (606, 424242), (637, 403596), (666, 386022), (702, 366226), (707, 363636), (756, 340067), (777, 330876), (819, 313908), (882, 291486), (909, 282828), (962, 267246), (999, 257348), (1036, 248157), (1092, 235431), (1212, 212121), (1274, 201798), (1313, 195804), (1323, 194324), (1332, 193011), (1404, 183113), (1414, 181818), (1443, 178164), (1554, 165438), (1638, 156954), (1764, 145743), (1813, 141804), (1818, 141414), (1911, 134532), (1924, 133623), (1998, 128674), (2121, 121212), (2331, 110292), (2457, 104636), (2548, 100899), (2626, 97902), (2646, 97162), (2727, 94276), (2828, 90909), (2886, 89082), (3108, 82719), (3276, 78477), (3367, 76356), (3626, 70902), (3636, 70707), (3737, 68796), (3822, 67266), (3939, 65268), (3996, 64337), (4242, 60606), (4329, 59388), (4662, 55146), (4914, 52318), (4949, 51948), (5252, 48951), (5292, 48581), (5439, 47268), (5454, 47138), (5733, 44844), (5772, 44541), (6363, 40404), (6734, 38178), (6993, 36764), (7252, 35451), (7474, 34398), (7644, 33633), (7878, 32634), (8484, 30303), (8658, 29694), (9191, 27972), (9324, 27573), (9828, 26159), (9898, 25974), (10101, 25452), (10878, 23634), (10908, 23569), (11211, 22932), (11466, 22422), (11817, 21756), (12726, 20202), (12987, 19796), (13468, 19089), (13986, 18382), (14847, 17316), (14948, 17199), (15756, 16317)]