61287940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{437771}}^1$

素因数の和:437787

約数の個数: 24

約数和(自身を含む): 147091392

約数和(自身を除く): 85803452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 437771, 875542, 1751084, 2188855, 3064397, 4377710, 6128794, 8755420, 12257588, 15321985, 30643970, 61287940]

約数ペア:

[(1, 61287940), (2, 30643970), (4, 15321985), (5, 12257588), (7, 8755420), (10, 6128794), (14, 4377710), (20, 3064397), (28, 2188855), (35, 1751084), (70, 875542), (140, 437771)]