278413688

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1289}}^1$

素因数の和:1357

約数の個数: 96

約数和(自身を含む): 661770000

約数和(自身を除く): 383356312

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 29, 38, 49, 56, 58, 76, 98, 116, 133, 152, 196, 203, 232, 266, 392, 406, 532, 551, 812, 931, 1064, 1102, 1289, 1421, 1624, 1862, 2204, 2578, 2842, 3724, 3857, 4408, 5156, 5684, 7448, 7714, 9023, 10312, 11368, 15428, 18046, 24491, 26999, 30856, 36092, 37381, 48982, 53998, 63161, 72184, 74762, 97964, 107996, 126322, 149524, 171437, 195928, 215992, 252644, 261667, 299048, 342874, 505288, 523334, 685748, 710239, 1046668, 1200059, 1371496, 1420478, 1831669, 2093336, 2400118, 2840956, 3663338, 4800236, 4971673, 5681912, 7326676, 9600472, 9943346, 14653352, 19886692, 34801711, 39773384, 69603422, 139206844, 278413688]

約数ペア:

[(1, 278413688), (2, 139206844), (4, 69603422), (7, 39773384), (8, 34801711), (14, 19886692), (19, 14653352), (28, 9943346), (29, 9600472), (38, 7326676), (49, 5681912), (56, 4971673), (58, 4800236), (76, 3663338), (98, 2840956), (116, 2400118), (133, 2093336), (152, 1831669), (196, 1420478), (203, 1371496), (232, 1200059), (266, 1046668), (392, 710239), (406, 685748), (532, 523334), (551, 505288), (812, 342874), (931, 299048), (1064, 261667), (1102, 252644), (1289, 215992), (1421, 195928), (1624, 171437), (1862, 149524), (2204, 126322), (2578, 107996), (2842, 97964), (3724, 74762), (3857, 72184), (4408, 63161), (5156, 53998), (5684, 48982), (7448, 37381), (7714, 36092), (9023, 30856), (10312, 26999), (11368, 24491), (15428, 18046)]