123140360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439787}}^1$

素因数の和:439805

約数の個数: 32

約数和(自身を含む): 316647360

約数和(自身を除く): 193507000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439787, 879574, 1759148, 2198935, 3078509, 3518296, 4397870, 6157018, 8795740, 12314036, 15392545, 17591480, 24628072, 30785090, 61570180, 123140360]

約数ペア:

[(1, 123140360), (2, 61570180), (4, 30785090), (5, 24628072), (7, 17591480), (8, 15392545), (10, 12314036), (14, 8795740), (20, 6157018), (28, 4397870), (35, 3518296), (40, 3078509), (56, 2198935), (70, 1759148), (140, 879574), (280, 439787)]