86999080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{310711}}^1$

素因数の和:310729

約数の個数: 32

約数和(自身を含む): 223712640

約数和(自身を除く): 136713560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 310711, 621422, 1242844, 1553555, 2174977, 2485688, 3107110, 4349954, 6214220, 8699908, 10874885, 12428440, 17399816, 21749770, 43499540, 86999080]

約数ペア:

[(1, 86999080), (2, 43499540), (4, 21749770), (5, 17399816), (7, 12428440), (8, 10874885), (10, 8699908), (14, 6214220), (20, 4349954), (28, 3107110), (35, 2485688), (40, 2174977), (56, 1553555), (70, 1242844), (140, 621422), (280, 310711)]