220721984

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:764

約数の個数: 112

約数和(自身を含む): 539959296

約数和(自身を除く): 319237312

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 46, 56, 62, 64, 92, 112, 124, 161, 184, 217, 224, 248, 322, 368, 434, 448, 496, 644, 691, 713, 736, 868, 992, 1288, 1382, 1426, 1472, 1736, 1984, 2576, 2764, 2852, 3472, 4837, 4991, 5152, 5528, 5704, 6944, 9674, 9982, 10304, 11056, 11408, 13888, 15893, 19348, 19964, 21421, 22112, 22816, 31786, 38696, 39928, 42842, 44224, 45632, 63572, 77392, 79856, 85684, 111251, 127144, 149947, 154784, 159712, 171368, 222502, 254288, 299894, 309568, 319424, 342736, 445004, 492683, 508576, 599788, 685472, 890008, 985366, 1017152, 1199576, 1370944, 1780016, 1970732, 2399152, 3448781, 3560032, 3941464, 4798304, 6897562, 7120064, 7882928, 9596608, 13795124, 15765856, 27590248, 31531712, 55180496, 110360992, 220721984]

約数ペア:

[(1, 220721984), (2, 110360992), (4, 55180496), (7, 31531712), (8, 27590248), (14, 15765856), (16, 13795124), (23, 9596608), (28, 7882928), (31, 7120064), (32, 6897562), (46, 4798304), (56, 3941464), (62, 3560032), (64, 3448781), (92, 2399152), (112, 1970732), (124, 1780016), (161, 1370944), (184, 1199576), (217, 1017152), (224, 985366), (248, 890008), (322, 685472), (368, 599788), (434, 508576), (448, 492683), (496, 445004), (644, 342736), (691, 319424), (713, 309568), (736, 299894), (868, 254288), (992, 222502), (1288, 171368), (1382, 159712), (1426, 154784), (1472, 149947), (1736, 127144), (1984, 111251), (2576, 85684), (2764, 79856), (2852, 77392), (3472, 63572), (4837, 45632), (4991, 44224), (5152, 42842), (5528, 39928), (5704, 38696), (6944, 31786), (9674, 22816), (9982, 22112), (10304, 21421), (11056, 19964), (11408, 19348), (13888, 15893)]