2113220

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{673}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 4472664

約数和(自身を除く): 2359444

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 673, 785, 1346, 1570, 2692, 3140, 3365, 6730, 13460, 105661, 211322, 422644, 528305, 1056610, 2113220]

約数ペア:

[(1, 2113220), (2, 1056610), (4, 528305), (5, 422644), (10, 211322), (20, 105661), (157, 13460), (314, 6730), (628, 3365), (673, 3140), (785, 2692), (1346, 1570)]