121001720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{432149}}^1$

素因数の和:432167

約数の個数: 32

約数和(自身を含む): 311148000

約数和(自身を除く): 190146280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 432149, 864298, 1728596, 2160745, 3025043, 3457192, 4321490, 6050086, 8642980, 12100172, 15125215, 17285960, 24200344, 30250430, 60500860, 121001720]

約数ペア:

[(1, 121001720), (2, 60500860), (4, 30250430), (5, 24200344), (7, 17285960), (8, 15125215), (10, 12100172), (14, 8642980), (20, 6050086), (28, 4321490), (35, 3457192), (40, 3025043), (56, 2160745), (70, 1728596), (140, 864298), (280, 432149)]