142423780

素因数分解:

$2^2\times 5^1\times {\mathrm{2143}}^1\times {\mathrm{3323}}^1$

素因数の和:5475

約数の個数: 24

約数和(自身を含む): 299319552

約数和(自身を除く): 156895772

約数列:

[1, 2, 4, 5, 10, 20, 2143, 3323, 4286, 6646, 8572, 10715, 13292, 16615, 21430, 33230, 42860, 66460, 7121189, 14242378, 28484756, 35605945, 71211890, 142423780]

約数ペア:

[(1, 142423780), (2, 71211890), (4, 35605945), (5, 28484756), (10, 14242378), (20, 7121189), (2143, 66460), (3323, 42860), (4286, 33230), (6646, 21430), (8572, 16615), (10715, 13292)]