289598660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{9857}}^1$

素因数の和:9992

約数の個数: 48

約数和(自身を含む): 660801456

約数和(自身を除く): 371202796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 1130, 1469, 2260, 2938, 5876, 7345, 9857, 14690, 19714, 29380, 39428, 49285, 98570, 128141, 197140, 256282, 512564, 640705, 1113841, 1281410, 2227682, 2562820, 4455364, 5569205, 11138410, 14479933, 22276820, 28959866, 57919732, 72399665, 144799330, 289598660]

約数ペア:

[(1, 289598660), (2, 144799330), (4, 72399665), (5, 57919732), (10, 28959866), (13, 22276820), (20, 14479933), (26, 11138410), (52, 5569205), (65, 4455364), (113, 2562820), (130, 2227682), (226, 1281410), (260, 1113841), (452, 640705), (565, 512564), (1130, 256282), (1469, 197140), (2260, 128141), (2938, 98570), (5876, 49285), (7345, 39428), (9857, 29380), (14690, 19714)]