215000688

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:731

約数の個数: 160

約数和(自身を含む): 678813696

約数和(自身を除く): 463813008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 43, 46, 48, 56, 69, 84, 86, 92, 112, 129, 138, 161, 168, 172, 184, 258, 276, 301, 322, 336, 344, 368, 483, 516, 552, 602, 644, 647, 688, 903, 966, 989, 1032, 1104, 1204, 1288, 1294, 1806, 1932, 1941, 1978, 2064, 2408, 2576, 2588, 2967, 3612, 3864, 3882, 3956, 4529, 4816, 5176, 5934, 6923, 7224, 7728, 7764, 7912, 9058, 10352, 11868, 13587, 13846, 14448, 14881, 15528, 15824, 18116, 20769, 23736, 27174, 27692, 27821, 29762, 31056, 36232, 41538, 44643, 47472, 54348, 55384, 55642, 59524, 72464, 83076, 83463, 89286, 104167, 108696, 110768, 111284, 119048, 166152, 166926, 178572, 194747, 208334, 217392, 222568, 238096, 312501, 332304, 333852, 357144, 389494, 416668, 445136, 584241, 625002, 639883, 667704, 714288, 778988, 833336, 1168482, 1250004, 1279766, 1335408, 1557976, 1666672, 1919649, 2336964, 2500008, 2559532, 3115952, 3839298, 4479181, 4673928, 5000016, 5119064, 7678596, 8958362, 9347856, 10238128, 13437543, 15357192, 17916724, 26875086, 30714384, 35833448, 53750172, 71666896, 107500344, 215000688]

約数ペア:

[(1, 215000688), (2, 107500344), (3, 71666896), (4, 53750172), (6, 35833448), (7, 30714384), (8, 26875086), (12, 17916724), (14, 15357192), (16, 13437543), (21, 10238128), (23, 9347856), (24, 8958362), (28, 7678596), (42, 5119064), (43, 5000016), (46, 4673928), (48, 4479181), (56, 3839298), (69, 3115952), (84, 2559532), (86, 2500008), (92, 2336964), (112, 1919649), (129, 1666672), (138, 1557976), (161, 1335408), (168, 1279766), (172, 1250004), (184, 1168482), (258, 833336), (276, 778988), (301, 714288), (322, 667704), (336, 639883), (344, 625002), (368, 584241), (483, 445136), (516, 416668), (552, 389494), (602, 357144), (644, 333852), (647, 332304), (688, 312501), (903, 238096), (966, 222568), (989, 217392), (1032, 208334), (1104, 194747), (1204, 178572), (1288, 166926), (1294, 166152), (1806, 119048), (1932, 111284), (1941, 110768), (1978, 108696), (2064, 104167), (2408, 89286), (2576, 83463), (2588, 83076), (2967, 72464), (3612, 59524), (3864, 55642), (3882, 55384), (3956, 54348), (4529, 47472), (4816, 44643), (5176, 41538), (5934, 36232), (6923, 31056), (7224, 29762), (7728, 27821), (7764, 27692), (7912, 27174), (9058, 23736), (10352, 20769), (11868, 18116), (13587, 15824), (13846, 15528), (14448, 14881)]