741320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 1710720

約数和(自身を除く): 969400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 431, 860, 862, 1720, 1724, 2155, 3448, 4310, 8620, 17240, 18533, 37066, 74132, 92665, 148264, 185330, 370660, 741320]

約数ペア:

[(1, 741320), (2, 370660), (4, 185330), (5, 148264), (8, 92665), (10, 74132), (20, 37066), (40, 18533), (43, 17240), (86, 8620), (172, 4310), (215, 3448), (344, 2155), (430, 1724), (431, 1720), (860, 862)]