204345680

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{677}}^1$

素因数の和:722

約数の個数: 160

約数和(自身を含む): 605318400

約数和(自身を除く): 400972720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 343, 385, 392, 440, 490, 539, 560, 616, 677, 686, 770, 784, 880, 980, 1078, 1232, 1354, 1372, 1540, 1715, 1960, 2156, 2695, 2708, 2744, 3080, 3385, 3430, 3773, 3920, 4312, 4739, 5390, 5416, 5488, 6160, 6770, 6860, 7447, 7546, 8624, 9478, 10780, 10832, 13540, 13720, 14894, 15092, 18865, 18956, 21560, 23695, 27080, 27440, 29788, 30184, 33173, 37235, 37730, 37912, 43120, 47390, 52129, 54160, 59576, 60368, 66346, 74470, 75460, 75824, 94780, 104258, 119152, 132692, 148940, 150920, 165865, 189560, 208516, 232211, 260645, 265384, 297880, 301840, 331730, 364903, 379120, 417032, 464422, 521290, 530768, 595760, 663460, 729806, 834064, 928844, 1042580, 1161055, 1326920, 1459612, 1824515, 1857688, 2085160, 2322110, 2554321, 2653840, 2919224, 3649030, 3715376, 4170320, 4644220, 5108642, 5838448, 7298060, 9288440, 10217284, 12771605, 14596120, 18576880, 20434568, 25543210, 29192240, 40869136, 51086420, 102172840, 204345680]

約数ペア:

[(1, 204345680), (2, 102172840), (4, 51086420), (5, 40869136), (7, 29192240), (8, 25543210), (10, 20434568), (11, 18576880), (14, 14596120), (16, 12771605), (20, 10217284), (22, 9288440), (28, 7298060), (35, 5838448), (40, 5108642), (44, 4644220), (49, 4170320), (55, 3715376), (56, 3649030), (70, 2919224), (77, 2653840), (80, 2554321), (88, 2322110), (98, 2085160), (110, 1857688), (112, 1824515), (140, 1459612), (154, 1326920), (176, 1161055), (196, 1042580), (220, 928844), (245, 834064), (280, 729806), (308, 663460), (343, 595760), (385, 530768), (392, 521290), (440, 464422), (490, 417032), (539, 379120), (560, 364903), (616, 331730), (677, 301840), (686, 297880), (770, 265384), (784, 260645), (880, 232211), (980, 208516), (1078, 189560), (1232, 165865), (1354, 150920), (1372, 148940), (1540, 132692), (1715, 119152), (1960, 104258), (2156, 94780), (2695, 75824), (2708, 75460), (2744, 74470), (3080, 66346), (3385, 60368), (3430, 59576), (3773, 54160), (3920, 52129), (4312, 47390), (4739, 43120), (5390, 37912), (5416, 37730), (5488, 37235), (6160, 33173), (6770, 30184), (6860, 29788), (7447, 27440), (7546, 27080), (8624, 23695), (9478, 21560), (10780, 18956), (10832, 18865), (13540, 15092), (13720, 14894)]