280147868

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 709287936

約数和(自身を除く): 429140068

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 37, 44, 52, 61, 62, 74, 77, 91, 122, 124, 143, 148, 154, 182, 217, 244, 259, 286, 308, 341, 364, 403, 407, 427, 434, 481, 518, 572, 671, 682, 793, 806, 814, 854, 868, 962, 1001, 1036, 1147, 1342, 1364, 1586, 1612, 1628, 1708, 1891, 1924, 2002, 2257, 2294, 2387, 2684, 2821, 2849, 3172, 3367, 3782, 4004, 4433, 4514, 4588, 4697, 4774, 5291, 5551, 5642, 5698, 6734, 7564, 8029, 8723, 8866, 9028, 9394, 9548, 10582, 11102, 11284, 11396, 12617, 13237, 13468, 14911, 15799, 16058, 17446, 17732, 18788, 20801, 21164, 22204, 24583, 24827, 25234, 26474, 29341, 29822, 31031, 31598, 32116, 34892, 37037, 41602, 49166, 49654, 50468, 52948, 58682, 59644, 61061, 62062, 63196, 69967, 74074, 83204, 88319, 98332, 99308, 104377, 117364, 122122, 124124, 139934, 145607, 148148, 164021, 172081, 173789, 176638, 205387, 208754, 244244, 270413, 279868, 291214, 322751, 328042, 344162, 347578, 353276, 410774, 417508, 489769, 540826, 582428, 645502, 656084, 688324, 695156, 769637, 821548, 909571, 979538, 1081652, 1148147, 1291004, 1539274, 1819142, 1892891, 1959076, 2259257, 2296294, 3078548, 3638284, 3785782, 4518514, 4592588, 5387459, 6366997, 7571564, 9037028, 10005281, 10774918, 12733994, 20010562, 21549836, 25467988, 40021124, 70036967, 140073934, 280147868]

約数ペア:

[(1, 280147868), (2, 140073934), (4, 70036967), (7, 40021124), (11, 25467988), (13, 21549836), (14, 20010562), (22, 12733994), (26, 10774918), (28, 10005281), (31, 9037028), (37, 7571564), (44, 6366997), (52, 5387459), (61, 4592588), (62, 4518514), (74, 3785782), (77, 3638284), (91, 3078548), (122, 2296294), (124, 2259257), (143, 1959076), (148, 1892891), (154, 1819142), (182, 1539274), (217, 1291004), (244, 1148147), (259, 1081652), (286, 979538), (308, 909571), (341, 821548), (364, 769637), (403, 695156), (407, 688324), (427, 656084), (434, 645502), (481, 582428), (518, 540826), (572, 489769), (671, 417508), (682, 410774), (793, 353276), (806, 347578), (814, 344162), (854, 328042), (868, 322751), (962, 291214), (1001, 279868), (1036, 270413), (1147, 244244), (1342, 208754), (1364, 205387), (1586, 176638), (1612, 173789), (1628, 172081), (1708, 164021), (1891, 148148), (1924, 145607), (2002, 139934), (2257, 124124), (2294, 122122), (2387, 117364), (2684, 104377), (2821, 99308), (2849, 98332), (3172, 88319), (3367, 83204), (3782, 74074), (4004, 69967), (4433, 63196), (4514, 62062), (4588, 61061), (4697, 59644), (4774, 58682), (5291, 52948), (5551, 50468), (5642, 49654), (5698, 49166), (6734, 41602), (7564, 37037), (8029, 34892), (8723, 32116), (8866, 31598), (9028, 31031), (9394, 29822), (9548, 29341), (10582, 26474), (11102, 25234), (11284, 24827), (11396, 24583), (12617, 22204), (13237, 21164), (13468, 20801), (14911, 18788), (15799, 17732), (16058, 17446)]