278575752

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{557}}^1$

素因数の和:815

約数の個数: 128

約数和(自身を含む): 862444800

約数和(自身を除く): 583869048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 229, 273, 312, 364, 458, 546, 557, 687, 728, 916, 1092, 1114, 1374, 1603, 1671, 1832, 2184, 2228, 2748, 2977, 3206, 3342, 3899, 4456, 4809, 5496, 5954, 6412, 6684, 7241, 7798, 8931, 9618, 11697, 11908, 12824, 13368, 14482, 15596, 17862, 19236, 20839, 21723, 23394, 23816, 28964, 31192, 35724, 38472, 41678, 43446, 46788, 50687, 57928, 62517, 71448, 83356, 86892, 93576, 101374, 125034, 127553, 152061, 166712, 173784, 202748, 250068, 255106, 304122, 382659, 405496, 500136, 510212, 608244, 765318, 892871, 1020424, 1216488, 1530636, 1658189, 1785742, 2678613, 3061272, 3316378, 3571484, 4974567, 5357226, 6632756, 7142968, 9949134, 10714452, 11607323, 13265512, 19898268, 21428904, 23214646, 34821969, 39796536, 46429292, 69643938, 92858584, 139287876, 278575752]

約数ペア:

[(1, 278575752), (2, 139287876), (3, 92858584), (4, 69643938), (6, 46429292), (7, 39796536), (8, 34821969), (12, 23214646), (13, 21428904), (14, 19898268), (21, 13265512), (24, 11607323), (26, 10714452), (28, 9949134), (39, 7142968), (42, 6632756), (52, 5357226), (56, 4974567), (78, 3571484), (84, 3316378), (91, 3061272), (104, 2678613), (156, 1785742), (168, 1658189), (182, 1530636), (229, 1216488), (273, 1020424), (312, 892871), (364, 765318), (458, 608244), (546, 510212), (557, 500136), (687, 405496), (728, 382659), (916, 304122), (1092, 255106), (1114, 250068), (1374, 202748), (1603, 173784), (1671, 166712), (1832, 152061), (2184, 127553), (2228, 125034), (2748, 101374), (2977, 93576), (3206, 86892), (3342, 83356), (3899, 71448), (4456, 62517), (4809, 57928), (5496, 50687), (5954, 46788), (6412, 43446), (6684, 41678), (7241, 38472), (7798, 35724), (8931, 31192), (9618, 28964), (11697, 23816), (11908, 23394), (12824, 21723), (13368, 20839), (14482, 19236), (15596, 17862)]