220799488

素因数分解:

$2^9\times 7^2\times {\mathrm{13}}^1\times {\mathrm{677}}^1$

素因数の和:722

約数の個数: 120

約数和(自身を含む): 553488012

約数和(自身を除く): 332688524

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 256, 364, 392, 416, 448, 512, 637, 677, 728, 784, 832, 896, 1274, 1354, 1456, 1568, 1664, 1792, 2548, 2708, 2912, 3136, 3328, 3584, 4739, 5096, 5416, 5824, 6272, 6656, 8801, 9478, 10192, 10832, 11648, 12544, 17602, 18956, 20384, 21664, 23296, 25088, 33173, 35204, 37912, 40768, 43328, 46592, 61607, 66346, 70408, 75824, 81536, 86656, 123214, 132692, 140816, 151648, 163072, 173312, 246428, 265384, 281632, 303296, 326144, 346624, 431249, 492856, 530768, 563264, 606592, 862498, 985712, 1061536, 1126528, 1213184, 1724996, 1971424, 2123072, 2253056, 2426368, 3449992, 3942848, 4246144, 4506112, 6899984, 7885696, 8492288, 13799968, 15771392, 16984576, 27599936, 31542784, 55199872, 110399744, 220799488]

約数ペア:

[(1, 220799488), (2, 110399744), (4, 55199872), (7, 31542784), (8, 27599936), (13, 16984576), (14, 15771392), (16, 13799968), (26, 8492288), (28, 7885696), (32, 6899984), (49, 4506112), (52, 4246144), (56, 3942848), (64, 3449992), (91, 2426368), (98, 2253056), (104, 2123072), (112, 1971424), (128, 1724996), (182, 1213184), (196, 1126528), (208, 1061536), (224, 985712), (256, 862498), (364, 606592), (392, 563264), (416, 530768), (448, 492856), (512, 431249), (637, 346624), (677, 326144), (728, 303296), (784, 281632), (832, 265384), (896, 246428), (1274, 173312), (1354, 163072), (1456, 151648), (1568, 140816), (1664, 132692), (1792, 123214), (2548, 86656), (2708, 81536), (2912, 75824), (3136, 70408), (3328, 66346), (3584, 61607), (4739, 46592), (5096, 43328), (5416, 40768), (5824, 37912), (6272, 35204), (6656, 33173), (8801, 25088), (9478, 23296), (10192, 21664), (10832, 20384), (11648, 18956), (12544, 17602)]