220180688

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1559}}^1$

素因数の和:1684

約数の個数: 80

約数和(自身を含む): 530799360

約数和(自身を除く): 310618672

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 97, 104, 112, 182, 194, 208, 364, 388, 679, 728, 776, 1261, 1358, 1456, 1552, 1559, 2522, 2716, 3118, 5044, 5432, 6236, 8827, 10088, 10864, 10913, 12472, 17654, 20176, 20267, 21826, 24944, 35308, 40534, 43652, 70616, 81068, 87304, 141232, 141869, 151223, 162136, 174608, 283738, 302446, 324272, 567476, 604892, 1058561, 1134952, 1209784, 1965899, 2117122, 2269904, 2419568, 3931798, 4234244, 7863596, 8468488, 13761293, 15727192, 16936976, 27522586, 31454384, 55045172, 110090344, 220180688]

約数ペア:

[(1, 220180688), (2, 110090344), (4, 55045172), (7, 31454384), (8, 27522586), (13, 16936976), (14, 15727192), (16, 13761293), (26, 8468488), (28, 7863596), (52, 4234244), (56, 3931798), (91, 2419568), (97, 2269904), (104, 2117122), (112, 1965899), (182, 1209784), (194, 1134952), (208, 1058561), (364, 604892), (388, 567476), (679, 324272), (728, 302446), (776, 283738), (1261, 174608), (1358, 162136), (1456, 151223), (1552, 141869), (1559, 141232), (2522, 87304), (2716, 81068), (3118, 70616), (5044, 43652), (5432, 40534), (6236, 35308), (8827, 24944), (10088, 21826), (10864, 20267), (10913, 20176), (12472, 17654)]