64938860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{463849}}^1$

素因数の和:463865

約数の個数: 24

約数和(自身を含む): 155853600

約数和(自身を除く): 90914740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 463849, 927698, 1855396, 2319245, 3246943, 4638490, 6493886, 9276980, 12987772, 16234715, 32469430, 64938860]

約数ペア:

[(1, 64938860), (2, 32469430), (4, 16234715), (5, 12987772), (7, 9276980), (10, 6493886), (14, 4638490), (20, 3246943), (28, 2319245), (35, 1855396), (70, 927698), (140, 463849)]