290768856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1283}}^1$

素因数の和:1389

約数の個数: 128

約数和(自身を含む): 887500800

約数和(自身を除く): 596731944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 71, 76, 84, 114, 133, 142, 152, 168, 213, 228, 266, 284, 399, 426, 456, 497, 532, 568, 798, 852, 994, 1064, 1283, 1349, 1491, 1596, 1704, 1988, 2566, 2698, 2982, 3192, 3849, 3976, 4047, 5132, 5396, 5964, 7698, 8094, 8981, 9443, 10264, 10792, 11928, 15396, 16188, 17962, 18886, 24377, 26943, 28329, 30792, 32376, 35924, 37772, 48754, 53886, 56658, 71848, 73131, 75544, 91093, 97508, 107772, 113316, 146262, 170639, 182186, 195016, 215544, 226632, 273279, 292524, 341278, 364372, 511917, 546558, 585048, 637651, 682556, 728744, 1023834, 1093116, 1275302, 1365112, 1730767, 1912953, 2047668, 2186232, 2550604, 3461534, 3825906, 4095336, 5101208, 5192301, 6923068, 7651812, 10384602, 12115369, 13846136, 15303624, 20769204, 24230738, 36346107, 41538408, 48461476, 72692214, 96922952, 145384428, 290768856]

約数ペア:

[(1, 290768856), (2, 145384428), (3, 96922952), (4, 72692214), (6, 48461476), (7, 41538408), (8, 36346107), (12, 24230738), (14, 20769204), (19, 15303624), (21, 13846136), (24, 12115369), (28, 10384602), (38, 7651812), (42, 6923068), (56, 5192301), (57, 5101208), (71, 4095336), (76, 3825906), (84, 3461534), (114, 2550604), (133, 2186232), (142, 2047668), (152, 1912953), (168, 1730767), (213, 1365112), (228, 1275302), (266, 1093116), (284, 1023834), (399, 728744), (426, 682556), (456, 637651), (497, 585048), (532, 546558), (568, 511917), (798, 364372), (852, 341278), (994, 292524), (1064, 273279), (1283, 226632), (1349, 215544), (1491, 195016), (1596, 182186), (1704, 170639), (1988, 146262), (2566, 113316), (2698, 107772), (2982, 97508), (3192, 91093), (3849, 75544), (3976, 73131), (4047, 71848), (5132, 56658), (5396, 53886), (5964, 48754), (7698, 37772), (8094, 35924), (8981, 32376), (9443, 30792), (10264, 28329), (10792, 26943), (11928, 24377), (15396, 18886), (16188, 17962)]