208456710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 256

約数和(自身を含む): 668860416

約数和(自身を除く): 460403706

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 31, 33, 35, 41, 42, 55, 62, 66, 70, 71, 77, 82, 93, 105, 110, 123, 142, 154, 155, 165, 186, 205, 210, 213, 217, 231, 246, 287, 310, 330, 341, 355, 385, 410, 426, 434, 451, 462, 465, 497, 574, 615, 651, 682, 710, 770, 781, 861, 902, 930, 994, 1023, 1065, 1085, 1155, 1230, 1271, 1302, 1353, 1435, 1491, 1562, 1705, 1722, 2046, 2130, 2170, 2201, 2255, 2310, 2343, 2387, 2485, 2542, 2706, 2870, 2911, 2982, 3157, 3255, 3410, 3813, 3905, 4305, 4402, 4510, 4686, 4774, 4970, 5115, 5467, 5822, 6314, 6355, 6510, 6603, 6765, 7161, 7455, 7626, 7810, 8610, 8733, 8897, 9471, 10230, 10934, 11005, 11715, 11935, 12710, 13206, 13530, 13981, 14322, 14555, 14910, 15407, 15785, 16401, 17466, 17794, 18942, 19065, 20377, 22010, 23430, 23870, 24211, 26691, 27335, 27962, 29110, 30814, 31570, 32021, 32802, 33015, 35805, 38130, 40754, 41943, 43665, 44485, 46221, 47355, 48422, 53382, 54670, 61131, 64042, 66030, 69905, 71610, 72633, 77035, 82005, 83886, 87330, 88970, 90241, 92442, 94710, 96063, 97867, 101885, 121055, 122262, 133455, 139810, 145266, 154070, 160105, 164010, 169477, 180482, 192126, 195734, 203770, 209715, 224147, 231105, 242110, 266910, 270723, 293601, 305655, 320210, 338954, 363165, 419430, 448294, 451205, 462210, 480315, 489335, 508431, 541446, 587202, 611310, 631687, 672441, 726330, 847385, 902410, 960630, 978670, 992651, 1016862, 1120735, 1263374, 1344882, 1353615, 1468005, 1694770, 1895061, 1985302, 2241470, 2542155, 2707230, 2936010, 2977953, 3158435, 3362205, 3790122, 4963255, 5084310, 5955906, 6316870, 6724410, 6948557, 9475305, 9926510, 13897114, 14889765, 18950610, 20845671, 29779530, 34742785, 41691342, 69485570, 104228355, 208456710]

約数ペア:

[(1, 208456710), (2, 104228355), (3, 69485570), (5, 41691342), (6, 34742785), (7, 29779530), (10, 20845671), (11, 18950610), (14, 14889765), (15, 13897114), (21, 9926510), (22, 9475305), (30, 6948557), (31, 6724410), (33, 6316870), (35, 5955906), (41, 5084310), (42, 4963255), (55, 3790122), (62, 3362205), (66, 3158435), (70, 2977953), (71, 2936010), (77, 2707230), (82, 2542155), (93, 2241470), (105, 1985302), (110, 1895061), (123, 1694770), (142, 1468005), (154, 1353615), (155, 1344882), (165, 1263374), (186, 1120735), (205, 1016862), (210, 992651), (213, 978670), (217, 960630), (231, 902410), (246, 847385), (287, 726330), (310, 672441), (330, 631687), (341, 611310), (355, 587202), (385, 541446), (410, 508431), (426, 489335), (434, 480315), (451, 462210), (462, 451205), (465, 448294), (497, 419430), (574, 363165), (615, 338954), (651, 320210), (682, 305655), (710, 293601), (770, 270723), (781, 266910), (861, 242110), (902, 231105), (930, 224147), (994, 209715), (1023, 203770), (1065, 195734), (1085, 192126), (1155, 180482), (1230, 169477), (1271, 164010), (1302, 160105), (1353, 154070), (1435, 145266), (1491, 139810), (1562, 133455), (1705, 122262), (1722, 121055), (2046, 101885), (2130, 97867), (2170, 96063), (2201, 94710), (2255, 92442), (2310, 90241), (2343, 88970), (2387, 87330), (2485, 83886), (2542, 82005), (2706, 77035), (2870, 72633), (2911, 71610), (2982, 69905), (3157, 66030), (3255, 64042), (3410, 61131), (3813, 54670), (3905, 53382), (4305, 48422), (4402, 47355), (4510, 46221), (4686, 44485), (4774, 43665), (4970, 41943), (5115, 40754), (5467, 38130), (5822, 35805), (6314, 33015), (6355, 32802), (6510, 32021), (6603, 31570), (6765, 30814), (7161, 29110), (7455, 27962), (7626, 27335), (7810, 26691), (8610, 24211), (8733, 23870), (8897, 23430), (9471, 22010), (10230, 20377), (10934, 19065), (11005, 18942), (11715, 17794), (11935, 17466), (12710, 16401), (13206, 15785), (13530, 15407), (13981, 14910), (14322, 14555)]