89418280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{319351}}^1$

素因数の和:319369

約数の個数: 32

約数和(自身を含む): 229933440

約数和(自身を除く): 140515160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 319351, 638702, 1277404, 1596755, 2235457, 2554808, 3193510, 4470914, 6387020, 8941828, 11177285, 12774040, 17883656, 22354570, 44709140, 89418280]

約数ペア:

[(1, 89418280), (2, 44709140), (4, 22354570), (5, 17883656), (7, 12774040), (8, 11177285), (10, 8941828), (14, 6387020), (20, 4470914), (28, 3193510), (35, 2554808), (40, 2235457), (56, 1596755), (70, 1277404), (140, 638702), (280, 319351)]