54451880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{194471}}^1$

素因数の和:194489

約数の個数: 32

約数和(自身を含む): 140019840

約数和(自身を除く): 85567960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 194471, 388942, 777884, 972355, 1361297, 1555768, 1944710, 2722594, 3889420, 5445188, 6806485, 7778840, 10890376, 13612970, 27225940, 54451880]

約数ペア:

[(1, 54451880), (2, 27225940), (4, 13612970), (5, 10890376), (7, 7778840), (8, 6806485), (10, 5445188), (14, 3889420), (20, 2722594), (28, 1944710), (35, 1555768), (40, 1361297), (56, 972355), (70, 777884), (140, 388942), (280, 194471)]