51290540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{827}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 123524352

約数和(自身を除く): 72233812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 443, 827, 886, 1654, 1772, 2215, 3101, 3308, 4135, 4430, 5789, 6202, 8270, 8860, 11578, 12404, 15505, 16540, 23156, 28945, 31010, 57890, 62020, 115780, 366361, 732722, 1465444, 1831805, 2564527, 3663610, 5129054, 7327220, 10258108, 12822635, 25645270, 51290540]

約数ペア:

[(1, 51290540), (2, 25645270), (4, 12822635), (5, 10258108), (7, 7327220), (10, 5129054), (14, 3663610), (20, 2564527), (28, 1831805), (35, 1465444), (70, 732722), (140, 366361), (443, 115780), (827, 62020), (886, 57890), (1654, 31010), (1772, 28945), (2215, 23156), (3101, 16540), (3308, 15505), (4135, 12404), (4430, 11578), (5789, 8860), (6202, 8270)]