54921580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{392297}}^1$

素因数の和:392313

約数の個数: 24

約数和(自身を含む): 131812128

約数和(自身を除く): 76890548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 392297, 784594, 1569188, 1961485, 2746079, 3922970, 5492158, 7845940, 10984316, 13730395, 27460790, 54921580]

約数ペア:

[(1, 54921580), (2, 27460790), (4, 13730395), (5, 10984316), (7, 7845940), (10, 5492158), (14, 3922970), (20, 2746079), (28, 1961485), (35, 1569188), (70, 784594), (140, 392297)]