127741820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{148537}}^1$

素因数の和:148589

約数の個数: 24

約数和(自身を含む): 274498224

約数和(自身を除く): 146756404

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 148537, 297074, 594148, 742685, 1485370, 2970740, 6387091, 12774182, 25548364, 31935455, 63870910, 127741820]

約数ペア:

[(1, 127741820), (2, 63870910), (4, 31935455), (5, 25548364), (10, 12774182), (20, 6387091), (43, 2970740), (86, 1485370), (172, 742685), (215, 594148), (430, 297074), (860, 148537)]