201656840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{281}}^1$

素因数の和:543

約数の個数: 128

約数和(自身を含む): 570136320

約数和(自身を除く): 368479480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 233, 280, 281, 308, 385, 440, 466, 562, 616, 770, 932, 1124, 1165, 1405, 1540, 1631, 1864, 1967, 2248, 2330, 2563, 2810, 3080, 3091, 3262, 3934, 4660, 5126, 5620, 6182, 6524, 7868, 8155, 9320, 9835, 10252, 11240, 12364, 12815, 13048, 15455, 15736, 16310, 17941, 19670, 20504, 21637, 24728, 25630, 30910, 32620, 35882, 39340, 43274, 51260, 61820, 65240, 65473, 71764, 78680, 86548, 89705, 102520, 108185, 123640, 130946, 143528, 173096, 179410, 216370, 261892, 327365, 358820, 432740, 458311, 523784, 654730, 717640, 720203, 865480, 916622, 1309460, 1440406, 1833244, 2291555, 2618920, 2880812, 3601015, 3666488, 4583110, 5041421, 5761624, 7202030, 9166220, 10082842, 14404060, 18332440, 20165684, 25207105, 28808120, 40331368, 50414210, 100828420, 201656840]

約数ペア:

[(1, 201656840), (2, 100828420), (4, 50414210), (5, 40331368), (7, 28808120), (8, 25207105), (10, 20165684), (11, 18332440), (14, 14404060), (20, 10082842), (22, 9166220), (28, 7202030), (35, 5761624), (40, 5041421), (44, 4583110), (55, 3666488), (56, 3601015), (70, 2880812), (77, 2618920), (88, 2291555), (110, 1833244), (140, 1440406), (154, 1309460), (220, 916622), (233, 865480), (280, 720203), (281, 717640), (308, 654730), (385, 523784), (440, 458311), (466, 432740), (562, 358820), (616, 327365), (770, 261892), (932, 216370), (1124, 179410), (1165, 173096), (1405, 143528), (1540, 130946), (1631, 123640), (1864, 108185), (1967, 102520), (2248, 89705), (2330, 86548), (2563, 78680), (2810, 71764), (3080, 65473), (3091, 65240), (3262, 61820), (3934, 51260), (4660, 43274), (5126, 39340), (5620, 35882), (6182, 32620), (6524, 30910), (7868, 25630), (8155, 24728), (9320, 21637), (9835, 20504), (10252, 19670), (11240, 17941), (12364, 16310), (12815, 15736), (13048, 15455)]