121128140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{865201}}^1$

素因数の和:865217

約数の個数: 24

約数和(自身を含む): 290707872

約数和(自身を除く): 169579732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 865201, 1730402, 3460804, 4326005, 6056407, 8652010, 12112814, 17304020, 24225628, 30282035, 60564070, 121128140]

約数ペア:

[(1, 121128140), (2, 60564070), (4, 30282035), (5, 24225628), (7, 17304020), (10, 12112814), (14, 8652010), (20, 6056407), (28, 4326005), (35, 3460804), (70, 1730402), (140, 865201)]