156542260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{159737}}^1$

素因数の和:159760

約数の個数: 36

約数和(自身を含む): 382412772

約数和(自身を除く): 225870512

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 159737, 319474, 638948, 798685, 1118159, 1597370, 2236318, 3194740, 4472636, 5590795, 7827113, 11181590, 15654226, 22363180, 31308452, 39135565, 78271130, 156542260]

約数ペア:

[(1, 156542260), (2, 78271130), (4, 39135565), (5, 31308452), (7, 22363180), (10, 15654226), (14, 11181590), (20, 7827113), (28, 5590795), (35, 4472636), (49, 3194740), (70, 2236318), (98, 1597370), (140, 1118159), (196, 798685), (245, 638948), (490, 319474), (980, 159737)]