257112408

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:390

約数の個数: 192

約数和(自身を含む): 810950400

約数和(自身を除く): 553837992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 37, 38, 42, 49, 56, 57, 74, 76, 84, 98, 111, 114, 133, 147, 148, 152, 168, 196, 222, 228, 259, 266, 294, 296, 311, 392, 399, 444, 456, 518, 532, 588, 622, 703, 777, 798, 888, 931, 933, 1036, 1064, 1176, 1244, 1406, 1554, 1596, 1813, 1862, 1866, 2072, 2109, 2177, 2488, 2793, 2812, 3108, 3192, 3626, 3724, 3732, 4218, 4354, 4921, 5439, 5586, 5624, 5909, 6216, 6531, 7252, 7448, 7464, 8436, 8708, 9842, 10878, 11172, 11507, 11818, 13062, 14504, 14763, 15239, 16872, 17416, 17727, 19684, 21756, 22344, 23014, 23636, 26124, 29526, 30478, 34447, 34521, 35454, 39368, 41363, 43512, 45717, 46028, 47272, 52248, 59052, 60956, 68894, 69042, 70908, 80549, 82726, 91434, 92056, 103341, 118104, 121912, 124089, 137788, 138084, 141816, 161098, 165452, 182868, 206682, 218633, 241647, 248178, 275576, 276168, 289541, 322196, 330904, 365736, 413364, 437266, 483294, 496356, 563843, 579082, 644392, 655899, 826728, 868623, 874532, 966588, 992712, 1127686, 1158164, 1311798, 1530431, 1691529, 1737246, 1749064, 1933176, 2255372, 2316328, 2623596, 3060862, 3383058, 3474492, 4510744, 4591293, 5247192, 6121724, 6766116, 6948984, 9182586, 10713017, 12243448, 13532232, 18365172, 21426034, 32139051, 36730344, 42852068, 64278102, 85704136, 128556204, 257112408]

約数ペア:

[(1, 257112408), (2, 128556204), (3, 85704136), (4, 64278102), (6, 42852068), (7, 36730344), (8, 32139051), (12, 21426034), (14, 18365172), (19, 13532232), (21, 12243448), (24, 10713017), (28, 9182586), (37, 6948984), (38, 6766116), (42, 6121724), (49, 5247192), (56, 4591293), (57, 4510744), (74, 3474492), (76, 3383058), (84, 3060862), (98, 2623596), (111, 2316328), (114, 2255372), (133, 1933176), (147, 1749064), (148, 1737246), (152, 1691529), (168, 1530431), (196, 1311798), (222, 1158164), (228, 1127686), (259, 992712), (266, 966588), (294, 874532), (296, 868623), (311, 826728), (392, 655899), (399, 644392), (444, 579082), (456, 563843), (518, 496356), (532, 483294), (588, 437266), (622, 413364), (703, 365736), (777, 330904), (798, 322196), (888, 289541), (931, 276168), (933, 275576), (1036, 248178), (1064, 241647), (1176, 218633), (1244, 206682), (1406, 182868), (1554, 165452), (1596, 161098), (1813, 141816), (1862, 138084), (1866, 137788), (2072, 124089), (2109, 121912), (2177, 118104), (2488, 103341), (2793, 92056), (2812, 91434), (3108, 82726), (3192, 80549), (3626, 70908), (3724, 69042), (3732, 68894), (4218, 60956), (4354, 59052), (4921, 52248), (5439, 47272), (5586, 46028), (5624, 45717), (5909, 43512), (6216, 41363), (6531, 39368), (7252, 35454), (7448, 34521), (7464, 34447), (8436, 30478), (8708, 29526), (9842, 26124), (10878, 23636), (11172, 23014), (11507, 22344), (11818, 21756), (13062, 19684), (14504, 17727), (14763, 17416), (15239, 16872)]