328820860

素因数分解:

$2^2\times 5^1\times {\mathrm{1783}}^1\times {\mathrm{9221}}^1$

素因数の和:11013

約数の個数: 24

約数和(自身を含む): 690986016

約数和(自身を除く): 362165156

約数列:

[1, 2, 4, 5, 10, 20, 1783, 3566, 7132, 8915, 9221, 17830, 18442, 35660, 36884, 46105, 92210, 184420, 16441043, 32882086, 65764172, 82205215, 164410430, 328820860]

約数ペア:

[(1, 328820860), (2, 164410430), (4, 82205215), (5, 65764172), (10, 32882086), (20, 16441043), (1783, 184420), (3566, 92210), (7132, 46105), (8915, 36884), (9221, 35660), (17830, 18442)]