123053420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{878953}}^1$

素因数の和:878969

約数の個数: 24

約数和(自身を含む): 295328544

約数和(自身を除く): 172275124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 878953, 1757906, 3515812, 4394765, 6152671, 8789530, 12305342, 17579060, 24610684, 30763355, 61526710, 123053420]

約数ペア:

[(1, 123053420), (2, 61526710), (4, 30763355), (5, 24610684), (7, 17579060), (10, 12305342), (14, 8789530), (20, 6152671), (28, 4394765), (35, 3515812), (70, 1757906), (140, 878953)]