204089620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1457783}}^1$

素因数の和:1457799

約数の個数: 24

約数和(自身を含む): 489815424

約数和(自身を除く): 285725804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1457783, 2915566, 5831132, 7288915, 10204481, 14577830, 20408962, 29155660, 40817924, 51022405, 102044810, 204089620]

約数ペア:

[(1, 204089620), (2, 102044810), (4, 51022405), (5, 40817924), (7, 29155660), (10, 20408962), (14, 14577830), (20, 10204481), (28, 7288915), (35, 5831132), (70, 2915566), (140, 1457783)]