189342020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1352443}}^1$

素因数の和:1352459

約数の個数: 24

約数和(自身を含む): 454421184

約数和(自身を除く): 265079164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1352443, 2704886, 5409772, 6762215, 9467101, 13524430, 18934202, 27048860, 37868404, 47335505, 94671010, 189342020]

約数ペア:

[(1, 189342020), (2, 94671010), (4, 47335505), (5, 37868404), (7, 27048860), (10, 18934202), (14, 13524430), (20, 9467101), (28, 6762215), (35, 5409772), (70, 2704886), (140, 1352443)]