20170893400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{79601}}^1$

素因数の和:79805

約数の個数: 96

約数和(自身を含む): 53893738080

約数和(自身を除く): 33722844680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 181, 200, 280, 350, 362, 700, 724, 905, 1267, 1400, 1448, 1810, 2534, 3620, 4525, 5068, 6335, 7240, 9050, 10136, 12670, 18100, 25340, 31675, 36200, 50680, 63350, 79601, 126700, 159202, 253400, 318404, 398005, 557207, 636808, 796010, 1114414, 1592020, 1990025, 2228828, 2786035, 3184040, 3980050, 4457656, 5572070, 7960100, 11144140, 13930175, 14407781, 15920200, 22288280, 27860350, 28815562, 55720700, 57631124, 72038905, 100854467, 111441400, 115262248, 144077810, 201708934, 288155620, 360194525, 403417868, 504272335, 576311240, 720389050, 806835736, 1008544670, 1440778100, 2017089340, 2521361675, 2881556200, 4034178680, 5042723350, 10085446700, 20170893400]

約数ペア:

[(1, 20170893400), (2, 10085446700), (4, 5042723350), (5, 4034178680), (7, 2881556200), (8, 2521361675), (10, 2017089340), (14, 1440778100), (20, 1008544670), (25, 806835736), (28, 720389050), (35, 576311240), (40, 504272335), (50, 403417868), (56, 360194525), (70, 288155620), (100, 201708934), (140, 144077810), (175, 115262248), (181, 111441400), (200, 100854467), (280, 72038905), (350, 57631124), (362, 55720700), (700, 28815562), (724, 27860350), (905, 22288280), (1267, 15920200), (1400, 14407781), (1448, 13930175), (1810, 11144140), (2534, 7960100), (3620, 5572070), (4525, 4457656), (5068, 3980050), (6335, 3184040), (7240, 2786035), (9050, 2228828), (10136, 1990025), (12670, 1592020), (18100, 1114414), (25340, 796010), (31675, 636808), (36200, 557207), (50680, 398005), (63350, 318404), (79601, 253400), (126700, 159202)]