149748280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{340337}}^1$

素因数の和:340359

約数の個数: 32

約数和(自身を含む): 367565040

約数和(自身を除く): 217816760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 340337, 680674, 1361348, 1701685, 2722696, 3403370, 3743707, 6806740, 7487414, 13613480, 14974828, 18718535, 29949656, 37437070, 74874140, 149748280]

約数ペア:

[(1, 149748280), (2, 74874140), (4, 37437070), (5, 29949656), (8, 18718535), (10, 14974828), (11, 13613480), (20, 7487414), (22, 6806740), (40, 3743707), (44, 3403370), (55, 2722696), (88, 1701685), (110, 1361348), (220, 680674), (440, 340337)]