331301240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{192617}}^1$

素因数の和:192671

約数の個数: 32

約数和(自身を含む): 762767280

約数和(自身を除く): 431466040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 192617, 385234, 770468, 963085, 1540936, 1926170, 3852340, 7704680, 8282531, 16565062, 33130124, 41412655, 66260248, 82825310, 165650620, 331301240]

約数ペア:

[(1, 331301240), (2, 165650620), (4, 82825310), (5, 66260248), (8, 41412655), (10, 33130124), (20, 16565062), (40, 8282531), (43, 7704680), (86, 3852340), (172, 1926170), (215, 1540936), (344, 963085), (430, 770468), (860, 385234), (1720, 192617)]