189389620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1352783}}^1$

素因数の和:1352799

約数の個数: 24

約数和(自身を含む): 454535424

約数和(自身を除く): 265145804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1352783, 2705566, 5411132, 6763915, 9469481, 13527830, 18938962, 27055660, 37877924, 47347405, 94694810, 189389620]

約数ペア:

[(1, 189389620), (2, 94694810), (4, 47347405), (5, 37877924), (7, 27055660), (10, 18938962), (14, 13527830), (20, 9469481), (28, 6763915), (35, 5411132), (70, 2705566), (140, 1352783)]