2816440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 7140960

約数和(自身を除く): 4324520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 173, 185, 220, 296, 346, 370, 407, 440, 692, 740, 814, 865, 1384, 1480, 1628, 1730, 1903, 2035, 3256, 3460, 3806, 4070, 6401, 6920, 7612, 8140, 9515, 12802, 15224, 16280, 19030, 25604, 32005, 38060, 51208, 64010, 70411, 76120, 128020, 140822, 256040, 281644, 352055, 563288, 704110, 1408220, 2816440]

約数ペア:

[(1, 2816440), (2, 1408220), (4, 704110), (5, 563288), (8, 352055), (10, 281644), (11, 256040), (20, 140822), (22, 128020), (37, 76120), (40, 70411), (44, 64010), (55, 51208), (74, 38060), (88, 32005), (110, 25604), (148, 19030), (173, 16280), (185, 15224), (220, 12802), (296, 9515), (346, 8140), (370, 7612), (407, 6920), (440, 6401), (692, 4070), (740, 3806), (814, 3460), (865, 3256), (1384, 2035), (1480, 1903), (1628, 1730)]