245142408

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1259}}^1$

素因数の和:1355

約数の個数: 128

約数和(自身を含む): 749952000

約数和(自身を除く): 504809592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 61, 76, 84, 114, 122, 133, 152, 168, 183, 228, 244, 266, 366, 399, 427, 456, 488, 532, 732, 798, 854, 1064, 1159, 1259, 1281, 1464, 1596, 1708, 2318, 2518, 2562, 3192, 3416, 3477, 3777, 4636, 5036, 5124, 6954, 7554, 8113, 8813, 9272, 10072, 10248, 13908, 15108, 16226, 17626, 23921, 24339, 26439, 27816, 30216, 32452, 35252, 47842, 48678, 52878, 64904, 70504, 71763, 76799, 95684, 97356, 105756, 143526, 153598, 167447, 191368, 194712, 211512, 230397, 287052, 307196, 334894, 460794, 502341, 537593, 574104, 614392, 669788, 921588, 1004682, 1075186, 1339576, 1459181, 1612779, 1843176, 2009364, 2150372, 2918362, 3225558, 4018728, 4300744, 4377543, 5836724, 6451116, 8755086, 10214267, 11673448, 12902232, 17510172, 20428534, 30642801, 35020344, 40857068, 61285602, 81714136, 122571204, 245142408]

約数ペア:

[(1, 245142408), (2, 122571204), (3, 81714136), (4, 61285602), (6, 40857068), (7, 35020344), (8, 30642801), (12, 20428534), (14, 17510172), (19, 12902232), (21, 11673448), (24, 10214267), (28, 8755086), (38, 6451116), (42, 5836724), (56, 4377543), (57, 4300744), (61, 4018728), (76, 3225558), (84, 2918362), (114, 2150372), (122, 2009364), (133, 1843176), (152, 1612779), (168, 1459181), (183, 1339576), (228, 1075186), (244, 1004682), (266, 921588), (366, 669788), (399, 614392), (427, 574104), (456, 537593), (488, 502341), (532, 460794), (732, 334894), (798, 307196), (854, 287052), (1064, 230397), (1159, 211512), (1259, 194712), (1281, 191368), (1464, 167447), (1596, 153598), (1708, 143526), (2318, 105756), (2518, 97356), (2562, 95684), (3192, 76799), (3416, 71763), (3477, 70504), (3777, 64904), (4636, 52878), (5036, 48678), (5124, 47842), (6954, 35252), (7554, 32452), (8113, 30216), (8813, 27816), (9272, 26439), (10072, 24339), (10248, 23921), (13908, 17626), (15108, 16226)]