201418280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{719351}}^1$

素因数の和:719369

約数の個数: 32

約数和(自身を含む): 517933440

約数和(自身を除く): 316515160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 719351, 1438702, 2877404, 3596755, 5035457, 5754808, 7193510, 10070914, 14387020, 20141828, 25177285, 28774040, 40283656, 50354570, 100709140, 201418280]

約数ペア:

[(1, 201418280), (2, 100709140), (4, 50354570), (5, 40283656), (7, 28774040), (8, 25177285), (10, 20141828), (14, 14387020), (20, 10070914), (28, 7193510), (35, 5754808), (40, 5035457), (56, 3596755), (70, 2877404), (140, 1438702), (280, 719351)]