61631780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{440227}}^1$

素因数の和:440243

約数の個数: 24

約数和(自身を含む): 147916608

約数和(自身を除く): 86284828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 440227, 880454, 1760908, 2201135, 3081589, 4402270, 6163178, 8804540, 12326356, 15407945, 30815890, 61631780]

約数ペア:

[(1, 61631780), (2, 30815890), (4, 15407945), (5, 12326356), (7, 8804540), (10, 6163178), (14, 4402270), (20, 3081589), (28, 2201135), (35, 1760908), (70, 880454), (140, 440227)]