280147940149

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{347}}^1$

素因数の和:744

約数の個数: 128

約数和(自身を含む): 388949299200

約数和(自身を除く): 108801359051

約数列:

[1, 7, 11, 17, 41, 49, 77, 119, 187, 287, 307, 343, 347, 451, 539, 697, 833, 1309, 2009, 2149, 2429, 3157, 3377, 3773, 3817, 4879, 5219, 5831, 5899, 7667, 9163, 12587, 14063, 14227, 15043, 17003, 22099, 23639, 26719, 34153, 36533, 41293, 53669, 57409, 64141, 64889, 88109, 99589, 105301, 106529, 119021, 138457, 154693, 156497, 165473, 187033, 213979, 239071, 241859, 255731, 289051, 375683, 401863, 454223, 616763, 697123, 745703, 969199, 1095479, 1158311, 1171819, 1309231, 1497853, 1693013, 1790117, 1810993, 2023357, 2353769, 2629781, 2660449, 2813041, 3179561, 4317341, 4367689, 4879861, 5219921, 6784393, 7668353, 8202733, 10484971, 11851091, 12676951, 16476383, 18623143, 19691287, 19920923, 22256927, 30573823, 36539447, 47490751, 48044579, 53678471, 57419131, 73394797, 74250713, 82957637, 88738657, 115334681, 130362001, 139446461, 214016761, 336312053, 401933917, 519754991, 621170599, 807342767, 816757843, 912534007, 976125227, 1498117327, 2354184371, 3638284937, 5717304901, 6832876589, 16479290597, 25467994559, 40021134307, 280147940149]

約数ペア:

[(1, 280147940149), (7, 40021134307), (11, 25467994559), (17, 16479290597), (41, 6832876589), (49, 5717304901), (77, 3638284937), (119, 2354184371), (187, 1498117327), (287, 976125227), (307, 912534007), (343, 816757843), (347, 807342767), (451, 621170599), (539, 519754991), (697, 401933917), (833, 336312053), (1309, 214016761), (2009, 139446461), (2149, 130362001), (2429, 115334681), (3157, 88738657), (3377, 82957637), (3773, 74250713), (3817, 73394797), (4879, 57419131), (5219, 53678471), (5831, 48044579), (5899, 47490751), (7667, 36539447), (9163, 30573823), (12587, 22256927), (14063, 19920923), (14227, 19691287), (15043, 18623143), (17003, 16476383), (22099, 12676951), (23639, 11851091), (26719, 10484971), (34153, 8202733), (36533, 7668353), (41293, 6784393), (53669, 5219921), (57409, 4879861), (64141, 4367689), (64889, 4317341), (88109, 3179561), (99589, 2813041), (105301, 2660449), (106529, 2629781), (119021, 2353769), (138457, 2023357), (154693, 1810993), (156497, 1790117), (165473, 1693013), (187033, 1497853), (213979, 1309231), (239071, 1171819), (241859, 1158311), (255731, 1095479), (289051, 969199), (375683, 745703), (401863, 697123), (454223, 616763)]