199742740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{232259}}^1$

素因数の和:232311

約数の個数: 24

約数和(自身を含む): 429216480

約数和(自身を除く): 229473740

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 232259, 464518, 929036, 1161295, 2322590, 4645180, 9987137, 19974274, 39948548, 49935685, 99871370, 199742740]

約数ペア:

[(1, 199742740), (2, 99871370), (4, 49935685), (5, 39948548), (10, 19974274), (20, 9987137), (43, 4645180), (86, 2322590), (172, 1161295), (215, 929036), (430, 464518), (860, 232259)]