241489720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{140401}}^1$

素因数の和:140455

約数の個数: 32

約数和(自身を含む): 555991920

約数和(自身を除く): 314502200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 140401, 280802, 561604, 702005, 1123208, 1404010, 2808020, 5616040, 6037243, 12074486, 24148972, 30186215, 48297944, 60372430, 120744860, 241489720]

約数ペア:

[(1, 241489720), (2, 120744860), (4, 60372430), (5, 48297944), (8, 30186215), (10, 24148972), (20, 12074486), (40, 6037243), (43, 5616040), (86, 2808020), (172, 1404010), (215, 1123208), (344, 702005), (430, 561604), (860, 280802), (1720, 140401)]