290145884

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{545387}}^1$

素因数の和:545417

約数の個数: 24

約数和(自身を含む): 610834560

約数和(自身を除く): 320688676

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 545387, 1090774, 2181548, 3817709, 7635418, 10362353, 15270836, 20724706, 41449412, 72536471, 145072942, 290145884]

約数ペア:

[(1, 290145884), (2, 145072942), (4, 72536471), (7, 41449412), (14, 20724706), (19, 15270836), (28, 10362353), (38, 7635418), (76, 3817709), (133, 2181548), (266, 1090774), (532, 545387)]