55549480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{198391}}^1$

素因数の和:198409

約数の個数: 32

約数和(自身を含む): 142842240

約数和(自身を除く): 87292760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 198391, 396782, 793564, 991955, 1388737, 1587128, 1983910, 2777474, 3967820, 5554948, 6943685, 7935640, 11109896, 13887370, 27774740, 55549480]

約数ペア:

[(1, 55549480), (2, 27774740), (4, 13887370), (5, 11109896), (7, 7935640), (8, 6943685), (10, 5554948), (14, 3967820), (20, 2777474), (28, 1983910), (35, 1587128), (40, 1388737), (56, 991955), (70, 793564), (140, 396782), (280, 198391)]