2780624

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 80

約数和(自身を含む): 7011456

約数和(自身を除く): 4230832

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 37, 44, 56, 61, 74, 77, 88, 112, 122, 148, 154, 176, 244, 259, 296, 308, 407, 427, 488, 518, 592, 616, 671, 814, 854, 976, 1036, 1232, 1342, 1628, 1708, 2072, 2257, 2684, 2849, 3256, 3416, 4144, 4514, 4697, 5368, 5698, 6512, 6832, 9028, 9394, 10736, 11396, 15799, 18056, 18788, 22792, 24827, 31598, 36112, 37576, 45584, 49654, 63196, 75152, 99308, 126392, 173789, 198616, 252784, 347578, 397232, 695156, 1390312, 2780624]

約数ペア:

[(1, 2780624), (2, 1390312), (4, 695156), (7, 397232), (8, 347578), (11, 252784), (14, 198616), (16, 173789), (22, 126392), (28, 99308), (37, 75152), (44, 63196), (56, 49654), (61, 45584), (74, 37576), (77, 36112), (88, 31598), (112, 24827), (122, 22792), (148, 18788), (154, 18056), (176, 15799), (244, 11396), (259, 10736), (296, 9394), (308, 9028), (407, 6832), (427, 6512), (488, 5698), (518, 5368), (592, 4697), (616, 4514), (671, 4144), (814, 3416), (854, 3256), (976, 2849), (1036, 2684), (1232, 2257), (1342, 2072), (1628, 1708)]