205775892

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 216

約数和(自身を含む): 645345792

約数和(自身を除く): 439569900

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 49, 53, 62, 63, 71, 84, 93, 98, 106, 124, 126, 142, 147, 159, 186, 196, 212, 213, 217, 252, 279, 284, 294, 318, 371, 372, 426, 434, 441, 477, 497, 558, 588, 636, 639, 651, 742, 852, 868, 882, 954, 994, 1113, 1116, 1278, 1302, 1484, 1491, 1519, 1643, 1764, 1908, 1953, 1988, 2201, 2226, 2556, 2597, 2604, 2982, 3038, 3286, 3339, 3479, 3763, 3906, 4402, 4452, 4473, 4557, 4929, 5194, 5964, 6076, 6572, 6603, 6678, 6958, 7526, 7791, 7812, 8804, 8946, 9114, 9858, 10388, 10437, 11289, 11501, 13206, 13356, 13671, 13916, 14787, 15052, 15407, 15582, 17892, 18228, 19716, 19809, 20874, 22578, 23002, 23373, 26341, 26412, 27342, 29574, 30814, 31164, 31311, 33867, 34503, 39618, 41748, 45156, 46004, 46221, 46746, 52682, 54684, 59148, 61628, 62622, 67734, 69006, 79023, 79236, 80507, 92442, 93492, 103509, 105364, 107849, 116653, 125244, 135468, 138012, 138663, 158046, 161014, 184387, 184884, 207018, 215698, 233306, 237069, 241521, 277326, 316092, 322028, 323547, 349959, 368774, 414036, 431396, 466612, 474138, 483042, 553161, 554652, 647094, 699918, 724563, 737548, 816571, 948276, 966084, 970641, 1049877, 1106322, 1294188, 1399836, 1449126, 1633142, 1659483, 1941282, 2099754, 2212644, 2449713, 2898252, 3266284, 3318966, 3882564, 4199508, 4899426, 5715997, 6637932, 7349139, 9798852, 11431994, 14698278, 17147991, 22863988, 29396556, 34295982, 51443973, 68591964, 102887946, 205775892]

約数ペア:

[(1, 205775892), (2, 102887946), (3, 68591964), (4, 51443973), (6, 34295982), (7, 29396556), (9, 22863988), (12, 17147991), (14, 14698278), (18, 11431994), (21, 9798852), (28, 7349139), (31, 6637932), (36, 5715997), (42, 4899426), (49, 4199508), (53, 3882564), (62, 3318966), (63, 3266284), (71, 2898252), (84, 2449713), (93, 2212644), (98, 2099754), (106, 1941282), (124, 1659483), (126, 1633142), (142, 1449126), (147, 1399836), (159, 1294188), (186, 1106322), (196, 1049877), (212, 970641), (213, 966084), (217, 948276), (252, 816571), (279, 737548), (284, 724563), (294, 699918), (318, 647094), (371, 554652), (372, 553161), (426, 483042), (434, 474138), (441, 466612), (477, 431396), (497, 414036), (558, 368774), (588, 349959), (636, 323547), (639, 322028), (651, 316092), (742, 277326), (852, 241521), (868, 237069), (882, 233306), (954, 215698), (994, 207018), (1113, 184884), (1116, 184387), (1278, 161014), (1302, 158046), (1484, 138663), (1491, 138012), (1519, 135468), (1643, 125244), (1764, 116653), (1908, 107849), (1953, 105364), (1988, 103509), (2201, 93492), (2226, 92442), (2556, 80507), (2597, 79236), (2604, 79023), (2982, 69006), (3038, 67734), (3286, 62622), (3339, 61628), (3479, 59148), (3763, 54684), (3906, 52682), (4402, 46746), (4452, 46221), (4473, 46004), (4557, 45156), (4929, 41748), (5194, 39618), (5964, 34503), (6076, 33867), (6572, 31311), (6603, 31164), (6678, 30814), (6958, 29574), (7526, 27342), (7791, 26412), (7812, 26341), (8804, 23373), (8946, 23002), (9114, 22578), (9858, 20874), (10388, 19809), (10437, 19716), (11289, 18228), (11501, 17892), (13206, 15582), (13356, 15407), (13671, 15052), (13916, 14787)]