143355980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{166693}}^1$

素因数の和:166745

約数の個数: 24

約数和(自身を含む): 308050512

約数和(自身を除く): 164694532

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 166693, 333386, 666772, 833465, 1666930, 3333860, 7167799, 14335598, 28671196, 35838995, 71677990, 143355980]

約数ペア:

[(1, 143355980), (2, 71677990), (4, 35838995), (5, 28671196), (10, 14335598), (20, 7167799), (43, 3333860), (86, 1666930), (172, 833465), (215, 666772), (430, 333386), (860, 166693)]