2907940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20771}}^1$

素因数の和:20787

約数の個数: 24

約数和(自身を含む): 6979392

約数和(自身を除く): 4071452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20771, 41542, 83084, 103855, 145397, 207710, 290794, 415420, 581588, 726985, 1453970, 2907940]

約数ペア:

[(1, 2907940), (2, 1453970), (4, 726985), (5, 581588), (7, 415420), (10, 290794), (14, 207710), (20, 145397), (28, 103855), (35, 83084), (70, 41542), (140, 20771)]