54705140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{390751}}^1$

素因数の和:390767

約数の個数: 24

約数和(自身を含む): 131292672

約数和(自身を除く): 76587532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 390751, 781502, 1563004, 1953755, 2735257, 3907510, 5470514, 7815020, 10941028, 13676285, 27352570, 54705140]

約数ペア:

[(1, 54705140), (2, 27352570), (4, 13676285), (5, 10941028), (7, 7815020), (10, 5470514), (14, 3907510), (20, 2735257), (28, 1953755), (35, 1563004), (70, 781502), (140, 390751)]