251481230

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 192

約数和(自身を含む): 641898432

約数和(自身を除く): 390417202

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 37, 49, 55, 65, 70, 74, 77, 91, 97, 98, 110, 130, 143, 154, 182, 185, 194, 245, 259, 286, 370, 385, 407, 455, 481, 485, 490, 518, 539, 637, 679, 715, 770, 814, 910, 962, 970, 1001, 1067, 1078, 1261, 1274, 1295, 1358, 1430, 1813, 2002, 2035, 2134, 2405, 2522, 2590, 2695, 2849, 3185, 3367, 3395, 3589, 3626, 4070, 4753, 4810, 5005, 5291, 5335, 5390, 5698, 6305, 6370, 6734, 6790, 7007, 7178, 7469, 8827, 9065, 9506, 10010, 10582, 10670, 12610, 13871, 14014, 14245, 14938, 16835, 17654, 17945, 18130, 19943, 23569, 23765, 25123, 26455, 27742, 28490, 33670, 35035, 35890, 37037, 37345, 39479, 39886, 44135, 46657, 47138, 47530, 50246, 52283, 52910, 61789, 69355, 70070, 74074, 74690, 78958, 88270, 93314, 97097, 99715, 104566, 117845, 123578, 125615, 138710, 175861, 185185, 194194, 197395, 199430, 233285, 235690, 251230, 259259, 261415, 276353, 308945, 326599, 351722, 370370, 394790, 466570, 485485, 513227, 518518, 522830, 552706, 617890, 653198, 679679, 879305, 970970, 1026454, 1296295, 1359358, 1381765, 1632995, 1758610, 1934471, 2286193, 2566135, 2592590, 2763530, 3265990, 3398395, 3592589, 3868942, 4572386, 5132270, 6796790, 7185178, 9672355, 11430965, 17962945, 19344710, 22861930, 25148123, 35925890, 50296246, 125740615, 251481230]

約数ペア:

[(1, 251481230), (2, 125740615), (5, 50296246), (7, 35925890), (10, 25148123), (11, 22861930), (13, 19344710), (14, 17962945), (22, 11430965), (26, 9672355), (35, 7185178), (37, 6796790), (49, 5132270), (55, 4572386), (65, 3868942), (70, 3592589), (74, 3398395), (77, 3265990), (91, 2763530), (97, 2592590), (98, 2566135), (110, 2286193), (130, 1934471), (143, 1758610), (154, 1632995), (182, 1381765), (185, 1359358), (194, 1296295), (245, 1026454), (259, 970970), (286, 879305), (370, 679679), (385, 653198), (407, 617890), (455, 552706), (481, 522830), (485, 518518), (490, 513227), (518, 485485), (539, 466570), (637, 394790), (679, 370370), (715, 351722), (770, 326599), (814, 308945), (910, 276353), (962, 261415), (970, 259259), (1001, 251230), (1067, 235690), (1078, 233285), (1261, 199430), (1274, 197395), (1295, 194194), (1358, 185185), (1430, 175861), (1813, 138710), (2002, 125615), (2035, 123578), (2134, 117845), (2405, 104566), (2522, 99715), (2590, 97097), (2695, 93314), (2849, 88270), (3185, 78958), (3367, 74690), (3395, 74074), (3589, 70070), (3626, 69355), (4070, 61789), (4753, 52910), (4810, 52283), (5005, 50246), (5291, 47530), (5335, 47138), (5390, 46657), (5698, 44135), (6305, 39886), (6370, 39479), (6734, 37345), (6790, 37037), (7007, 35890), (7178, 35035), (7469, 33670), (8827, 28490), (9065, 27742), (9506, 26455), (10010, 25123), (10582, 23765), (10670, 23569), (12610, 19943), (13871, 18130), (14014, 17945), (14245, 17654), (14938, 16835)]