179942140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1285301}}^1$

素因数の和:1285317

約数の個数: 24

約数和(自身を含む): 431861472

約数和(自身を除く): 251919332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1285301, 2570602, 5141204, 6426505, 8997107, 12853010, 17994214, 25706020, 35988428, 44985535, 89971070, 179942140]

約数ペア:

[(1, 179942140), (2, 89971070), (4, 44985535), (5, 35988428), (7, 25706020), (10, 17994214), (14, 12853010), (20, 8997107), (28, 6426505), (35, 5141204), (70, 2570602), (140, 1285301)]