123474280

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{7129}}^1$

素因数の和:7573

約数の個数: 32

約数和(自身を含む): 278497800

約数和(自身を除く): 155023520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 2165, 3464, 4330, 7129, 8660, 14258, 17320, 28516, 35645, 57032, 71290, 142580, 285160, 3086857, 6173714, 12347428, 15434285, 24694856, 30868570, 61737140, 123474280]

約数ペア:

[(1, 123474280), (2, 61737140), (4, 30868570), (5, 24694856), (8, 15434285), (10, 12347428), (20, 6173714), (40, 3086857), (433, 285160), (866, 142580), (1732, 71290), (2165, 57032), (3464, 35645), (4330, 28516), (7129, 17320), (8660, 14258)]