280743008

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:680

約数の個数: 96

約数和(自身を含む): 684855360

約数和(自身を除く): 404112352

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 229, 364, 416, 421, 458, 728, 842, 916, 1456, 1603, 1684, 1832, 2912, 2947, 2977, 3206, 3368, 3664, 5473, 5894, 5954, 6412, 6736, 7328, 10946, 11788, 11908, 12824, 13472, 20839, 21892, 23576, 23816, 25648, 38311, 41678, 43784, 47152, 47632, 51296, 76622, 83356, 87568, 94304, 95264, 96409, 153244, 166712, 175136, 192818, 306488, 333424, 385636, 612976, 666848, 674863, 771272, 1225952, 1253317, 1349726, 1542544, 2506634, 2699452, 3085088, 5013268, 5398904, 8773219, 10026536, 10797808, 17546438, 20053072, 21595616, 35092876, 40106144, 70185752, 140371504, 280743008]

約数ペア:

[(1, 280743008), (2, 140371504), (4, 70185752), (7, 40106144), (8, 35092876), (13, 21595616), (14, 20053072), (16, 17546438), (26, 10797808), (28, 10026536), (32, 8773219), (52, 5398904), (56, 5013268), (91, 3085088), (104, 2699452), (112, 2506634), (182, 1542544), (208, 1349726), (224, 1253317), (229, 1225952), (364, 771272), (416, 674863), (421, 666848), (458, 612976), (728, 385636), (842, 333424), (916, 306488), (1456, 192818), (1603, 175136), (1684, 166712), (1832, 153244), (2912, 96409), (2947, 95264), (2977, 94304), (3206, 87568), (3368, 83356), (3664, 76622), (5473, 51296), (5894, 47632), (5954, 47152), (6412, 43784), (6736, 41678), (7328, 38311), (10946, 25648), (11788, 23816), (11908, 23576), (12824, 21892), (13472, 20839)]