209893684

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 541900800

約数和(自身を除く): 332007116

約数列:

[1, 2, 4, 7, 11, 13, 14, 19, 22, 26, 28, 31, 38, 44, 52, 62, 76, 77, 89, 91, 124, 133, 143, 154, 178, 182, 209, 217, 247, 266, 286, 308, 341, 356, 364, 403, 418, 434, 494, 532, 572, 589, 623, 682, 806, 836, 868, 979, 988, 1001, 1157, 1178, 1246, 1364, 1463, 1612, 1691, 1729, 1958, 2002, 2314, 2356, 2387, 2492, 2717, 2759, 2821, 2926, 3382, 3458, 3916, 4004, 4123, 4433, 4628, 4774, 5434, 5518, 5642, 5852, 6479, 6764, 6853, 6916, 7657, 8099, 8246, 8866, 9548, 10868, 11036, 11284, 11837, 12727, 12958, 13706, 15314, 16198, 16492, 17732, 18601, 19019, 19313, 21983, 23674, 25454, 25916, 27412, 30349, 30628, 31031, 32396, 35867, 37202, 38038, 38626, 43966, 45353, 47348, 50908, 52421, 53599, 60698, 62062, 71734, 74404, 76076, 77252, 84227, 87932, 89089, 90706, 104842, 107198, 121396, 124124, 130207, 143468, 153881, 168454, 178178, 181412, 209684, 212443, 214396, 241813, 251069, 260414, 307762, 336908, 356356, 366947, 394537, 424886, 483626, 502138, 520828, 576631, 589589, 615524, 681473, 733894, 789074, 849772, 967252, 1004276, 1153262, 1179178, 1362946, 1467788, 1578148, 1692691, 2306524, 2358356, 2725892, 2761759, 3385382, 4036417, 4770311, 5523518, 6770764, 7496203, 8072834, 9540622, 11047036, 14992406, 16145668, 19081244, 29984812, 52473421, 104946842, 209893684]

約数ペア:

[(1, 209893684), (2, 104946842), (4, 52473421), (7, 29984812), (11, 19081244), (13, 16145668), (14, 14992406), (19, 11047036), (22, 9540622), (26, 8072834), (28, 7496203), (31, 6770764), (38, 5523518), (44, 4770311), (52, 4036417), (62, 3385382), (76, 2761759), (77, 2725892), (89, 2358356), (91, 2306524), (124, 1692691), (133, 1578148), (143, 1467788), (154, 1362946), (178, 1179178), (182, 1153262), (209, 1004276), (217, 967252), (247, 849772), (266, 789074), (286, 733894), (308, 681473), (341, 615524), (356, 589589), (364, 576631), (403, 520828), (418, 502138), (434, 483626), (494, 424886), (532, 394537), (572, 366947), (589, 356356), (623, 336908), (682, 307762), (806, 260414), (836, 251069), (868, 241813), (979, 214396), (988, 212443), (1001, 209684), (1157, 181412), (1178, 178178), (1246, 168454), (1364, 153881), (1463, 143468), (1612, 130207), (1691, 124124), (1729, 121396), (1958, 107198), (2002, 104842), (2314, 90706), (2356, 89089), (2387, 87932), (2492, 84227), (2717, 77252), (2759, 76076), (2821, 74404), (2926, 71734), (3382, 62062), (3458, 60698), (3916, 53599), (4004, 52421), (4123, 50908), (4433, 47348), (4628, 45353), (4774, 43966), (5434, 38626), (5518, 38038), (5642, 37202), (5852, 35867), (6479, 32396), (6764, 31031), (6853, 30628), (6916, 30349), (7657, 27412), (8099, 25916), (8246, 25454), (8866, 23674), (9548, 21983), (10868, 19313), (11036, 19019), (11284, 18601), (11837, 17732), (12727, 16492), (12958, 16198), (13706, 15314)]