1905208404

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:782

約数の個数: 144

約数和(自身を含む): 5164145280

約数和(自身を除く): 3258936876

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 89, 92, 121, 132, 138, 178, 242, 253, 267, 276, 356, 363, 484, 506, 534, 641, 726, 759, 979, 1012, 1068, 1282, 1452, 1518, 1923, 1958, 2047, 2564, 2783, 2937, 3036, 3846, 3916, 4094, 5566, 5874, 6141, 7051, 7692, 8188, 8349, 10769, 11132, 11748, 12282, 14102, 14743, 16698, 21153, 21538, 22517, 24564, 28204, 29486, 32307, 33396, 42306, 43076, 44229, 45034, 57049, 58972, 64614, 67551, 77561, 84612, 88458, 90068, 114098, 129228, 135102, 155122, 162173, 171147, 176916, 228196, 232683, 247687, 270204, 310244, 324346, 342294, 465366, 486519, 495374, 627539, 648692, 684588, 743061, 930732, 973038, 990748, 1255078, 1312127, 1486122, 1783903, 1882617, 1946076, 2510156, 2624254, 2972244, 3567806, 3765234, 3936381, 5248508, 5351709, 6902929, 7135612, 7530468, 7872762, 10703418, 13805858, 14433397, 15745524, 20708787, 21406836, 27611716, 28866794, 41417574, 43300191, 57733588, 82835148, 86600382, 158767367, 173200764, 317534734, 476302101, 635069468, 952604202, 1905208404]

約数ペア:

[(1, 1905208404), (2, 952604202), (3, 635069468), (4, 476302101), (6, 317534734), (11, 173200764), (12, 158767367), (22, 86600382), (23, 82835148), (33, 57733588), (44, 43300191), (46, 41417574), (66, 28866794), (69, 27611716), (89, 21406836), (92, 20708787), (121, 15745524), (132, 14433397), (138, 13805858), (178, 10703418), (242, 7872762), (253, 7530468), (267, 7135612), (276, 6902929), (356, 5351709), (363, 5248508), (484, 3936381), (506, 3765234), (534, 3567806), (641, 2972244), (726, 2624254), (759, 2510156), (979, 1946076), (1012, 1882617), (1068, 1783903), (1282, 1486122), (1452, 1312127), (1518, 1255078), (1923, 990748), (1958, 973038), (2047, 930732), (2564, 743061), (2783, 684588), (2937, 648692), (3036, 627539), (3846, 495374), (3916, 486519), (4094, 465366), (5566, 342294), (5874, 324346), (6141, 310244), (7051, 270204), (7692, 247687), (8188, 232683), (8349, 228196), (10769, 176916), (11132, 171147), (11748, 162173), (12282, 155122), (14102, 135102), (14743, 129228), (16698, 114098), (21153, 90068), (21538, 88458), (22517, 84612), (24564, 77561), (28204, 67551), (29486, 64614), (32307, 58972), (33396, 57049), (42306, 45034), (43076, 44229)]