278396664

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6709}}^1$

素因数の和:6757

約数の個数: 128

約数和(自身を含む): 901824000

約数和(自身を除く): 623427336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 52, 56, 57, 76, 78, 84, 91, 104, 114, 133, 152, 156, 168, 182, 228, 247, 266, 273, 312, 364, 399, 456, 494, 532, 546, 728, 741, 798, 988, 1064, 1092, 1482, 1596, 1729, 1976, 2184, 2964, 3192, 3458, 5187, 5928, 6709, 6916, 10374, 13418, 13832, 20127, 20748, 26836, 40254, 41496, 46963, 53672, 80508, 87217, 93926, 127471, 140889, 161016, 174434, 187852, 254942, 261651, 281778, 348868, 375704, 382413, 509884, 523302, 563556, 610519, 697736, 764826, 892297, 1019768, 1046604, 1127112, 1221038, 1529652, 1657123, 1784594, 1831557, 2093208, 2442076, 2676891, 3059304, 3314246, 3569188, 3663114, 4884152, 4971369, 5353782, 6628492, 7138376, 7326228, 9942738, 10707564, 11599861, 13256984, 14652456, 19885476, 21415128, 23199722, 34799583, 39770952, 46399444, 69599166, 92798888, 139198332, 278396664]

約数ペア:

[(1, 278396664), (2, 139198332), (3, 92798888), (4, 69599166), (6, 46399444), (7, 39770952), (8, 34799583), (12, 23199722), (13, 21415128), (14, 19885476), (19, 14652456), (21, 13256984), (24, 11599861), (26, 10707564), (28, 9942738), (38, 7326228), (39, 7138376), (42, 6628492), (52, 5353782), (56, 4971369), (57, 4884152), (76, 3663114), (78, 3569188), (84, 3314246), (91, 3059304), (104, 2676891), (114, 2442076), (133, 2093208), (152, 1831557), (156, 1784594), (168, 1657123), (182, 1529652), (228, 1221038), (247, 1127112), (266, 1046604), (273, 1019768), (312, 892297), (364, 764826), (399, 697736), (456, 610519), (494, 563556), (532, 523302), (546, 509884), (728, 382413), (741, 375704), (798, 348868), (988, 281778), (1064, 261651), (1092, 254942), (1482, 187852), (1596, 174434), (1729, 161016), (1976, 140889), (2184, 127471), (2964, 93926), (3192, 87217), (3458, 80508), (5187, 53672), (5928, 46963), (6709, 41496), (6916, 40254), (10374, 26836), (13418, 20748), (13832, 20127)]