248501988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 288

約数和(自身を含む): 830269440

約数和(自身を除く): 581767452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 19, 21, 28, 34, 36, 38, 42, 43, 51, 57, 63, 68, 71, 76, 84, 86, 102, 114, 119, 126, 129, 133, 142, 153, 171, 172, 204, 213, 228, 238, 252, 258, 266, 284, 301, 306, 323, 342, 357, 387, 399, 426, 476, 497, 516, 532, 602, 612, 639, 646, 684, 714, 731, 774, 798, 817, 852, 903, 969, 994, 1071, 1197, 1204, 1207, 1278, 1292, 1349, 1428, 1462, 1491, 1548, 1596, 1634, 1806, 1938, 1988, 2142, 2193, 2261, 2394, 2414, 2451, 2556, 2698, 2709, 2907, 2924, 2982, 3053, 3268, 3612, 3621, 3876, 4047, 4284, 4386, 4473, 4522, 4788, 4828, 4902, 5117, 5396, 5418, 5719, 5814, 5964, 6106, 6579, 6783, 7242, 7353, 8094, 8449, 8772, 8946, 9044, 9159, 9443, 9804, 10234, 10836, 10863, 11438, 11628, 12141, 12212, 13158, 13566, 13889, 14484, 14706, 15351, 16188, 16898, 17157, 17892, 18318, 18886, 20349, 20468, 21371, 21726, 22876, 22933, 24282, 25347, 26316, 27132, 27477, 27778, 28329, 29412, 30702, 33796, 34314, 36636, 37772, 40698, 41667, 42742, 43452, 45866, 46053, 48564, 50694, 51471, 51901, 54954, 55556, 56658, 58007, 61404, 64113, 68628, 68799, 76041, 81396, 83334, 84987, 85484, 91732, 92106, 97223, 101388, 102942, 103802, 109908, 113316, 116014, 125001, 128226, 137598, 152082, 155703, 160531, 166668, 169974, 174021, 184212, 192339, 194446, 205884, 206397, 207604, 232028, 250002, 256452, 275196, 291669, 304164, 311406, 321062, 339948, 348042, 363307, 384678, 388892, 406049, 412794, 467109, 481593, 500004, 522063, 583338, 622812, 642124, 696084, 726614, 769356, 812098, 825588, 875007, 934218, 963186, 986119, 1044126, 1089921, 1166676, 1218147, 1444779, 1453228, 1624196, 1750014, 1868436, 1926372, 1972238, 2088252, 2179842, 2436294, 2889558, 2958357, 3269763, 3500028, 3654441, 3944476, 4359684, 4872588, 5779116, 5916714, 6539526, 6902833, 7308882, 8875071, 11833428, 13079052, 13805666, 14617764, 17750142, 20708499, 27611332, 35500284, 41416998, 62125497, 82833996, 124250994, 248501988]

約数ペア:

[(1, 248501988), (2, 124250994), (3, 82833996), (4, 62125497), (6, 41416998), (7, 35500284), (9, 27611332), (12, 20708499), (14, 17750142), (17, 14617764), (18, 13805666), (19, 13079052), (21, 11833428), (28, 8875071), (34, 7308882), (36, 6902833), (38, 6539526), (42, 5916714), (43, 5779116), (51, 4872588), (57, 4359684), (63, 3944476), (68, 3654441), (71, 3500028), (76, 3269763), (84, 2958357), (86, 2889558), (102, 2436294), (114, 2179842), (119, 2088252), (126, 1972238), (129, 1926372), (133, 1868436), (142, 1750014), (153, 1624196), (171, 1453228), (172, 1444779), (204, 1218147), (213, 1166676), (228, 1089921), (238, 1044126), (252, 986119), (258, 963186), (266, 934218), (284, 875007), (301, 825588), (306, 812098), (323, 769356), (342, 726614), (357, 696084), (387, 642124), (399, 622812), (426, 583338), (476, 522063), (497, 500004), (516, 481593), (532, 467109), (602, 412794), (612, 406049), (639, 388892), (646, 384678), (684, 363307), (714, 348042), (731, 339948), (774, 321062), (798, 311406), (817, 304164), (852, 291669), (903, 275196), (969, 256452), (994, 250002), (1071, 232028), (1197, 207604), (1204, 206397), (1207, 205884), (1278, 194446), (1292, 192339), (1349, 184212), (1428, 174021), (1462, 169974), (1491, 166668), (1548, 160531), (1596, 155703), (1634, 152082), (1806, 137598), (1938, 128226), (1988, 125001), (2142, 116014), (2193, 113316), (2261, 109908), (2394, 103802), (2414, 102942), (2451, 101388), (2556, 97223), (2698, 92106), (2709, 91732), (2907, 85484), (2924, 84987), (2982, 83334), (3053, 81396), (3268, 76041), (3612, 68799), (3621, 68628), (3876, 64113), (4047, 61404), (4284, 58007), (4386, 56658), (4473, 55556), (4522, 54954), (4788, 51901), (4828, 51471), (4902, 50694), (5117, 48564), (5396, 46053), (5418, 45866), (5719, 43452), (5814, 42742), (5964, 41667), (6106, 40698), (6579, 37772), (6783, 36636), (7242, 34314), (7353, 33796), (8094, 30702), (8449, 29412), (8772, 28329), (8946, 27778), (9044, 27477), (9159, 27132), (9443, 26316), (9804, 25347), (10234, 24282), (10836, 22933), (10863, 22876), (11438, 21726), (11628, 21371), (12141, 20468), (12212, 20349), (13158, 18886), (13566, 18318), (13889, 17892), (14484, 17157), (14706, 16898), (15351, 16188)]