870817940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{27367}}^1$

素因数の和:27456

約数の個数: 48

約数和(自身を含む): 1921890432

約数和(自身を除く): 1051072492

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 1591, 3182, 6364, 7955, 15910, 27367, 31820, 54734, 109468, 136835, 273670, 547340, 1012579, 1176781, 2025158, 2353562, 4050316, 4707124, 5062895, 5883905, 10125790, 11767810, 20251580, 23535620, 43540897, 87081794, 174163588, 217704485, 435408970, 870817940]

約数ペア:

[(1, 870817940), (2, 435408970), (4, 217704485), (5, 174163588), (10, 87081794), (20, 43540897), (37, 23535620), (43, 20251580), (74, 11767810), (86, 10125790), (148, 5883905), (172, 5062895), (185, 4707124), (215, 4050316), (370, 2353562), (430, 2025158), (740, 1176781), (860, 1012579), (1591, 547340), (3182, 273670), (6364, 136835), (7955, 109468), (15910, 54734), (27367, 31820)]