220591616

素因数分解:

$2^9\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1095

約数の個数: 80

約数和(自身を含む): 512482080

約数和(自身を除く): 291890464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 256, 427, 448, 488, 512, 854, 896, 976, 1009, 1708, 1792, 1952, 2018, 3416, 3584, 3904, 4036, 6832, 7063, 7808, 8072, 13664, 14126, 15616, 16144, 27328, 28252, 31232, 32288, 54656, 56504, 61549, 64576, 109312, 113008, 123098, 129152, 218624, 226016, 246196, 258304, 430843, 452032, 492392, 516608, 861686, 904064, 984784, 1723372, 1808128, 1969568, 3446744, 3616256, 3939136, 6893488, 7878272, 13786976, 15756544, 27573952, 31513088, 55147904, 110295808, 220591616]

約数ペア:

[(1, 220591616), (2, 110295808), (4, 55147904), (7, 31513088), (8, 27573952), (14, 15756544), (16, 13786976), (28, 7878272), (32, 6893488), (56, 3939136), (61, 3616256), (64, 3446744), (112, 1969568), (122, 1808128), (128, 1723372), (224, 984784), (244, 904064), (256, 861686), (427, 516608), (448, 492392), (488, 452032), (512, 430843), (854, 258304), (896, 246196), (976, 226016), (1009, 218624), (1708, 129152), (1792, 123098), (1952, 113008), (2018, 109312), (3416, 64576), (3584, 61549), (3904, 56504), (4036, 54656), (6832, 32288), (7063, 31232), (7808, 28252), (8072, 27328), (13664, 16144), (14126, 15616)]