56721700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{81031}}^1$

素因数の和:81052

約数の個数: 36

約数和(自身を含む): 140671552

約数和(自身を除く): 83949852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 81031, 162062, 324124, 405155, 567217, 810310, 1134434, 1620620, 2025775, 2268868, 2836085, 4051550, 5672170, 8103100, 11344340, 14180425, 28360850, 56721700]

約数ペア:

[(1, 56721700), (2, 28360850), (4, 14180425), (5, 11344340), (7, 8103100), (10, 5672170), (14, 4051550), (20, 2836085), (25, 2268868), (28, 2025775), (35, 1620620), (50, 1134434), (70, 810310), (100, 567217), (140, 405155), (175, 324124), (350, 162062), (700, 81031)]