210860420

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{67153}}^1$

素因数の和:67319

約数の個数: 24

約数和(自身を含む): 445633944

約数和(自身を除く): 234773524

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 67153, 134306, 268612, 335765, 671530, 1343060, 10543021, 21086042, 42172084, 52715105, 105430210, 210860420]

約数ペア:

[(1, 210860420), (2, 105430210), (4, 52715105), (5, 42172084), (10, 21086042), (20, 10543021), (157, 1343060), (314, 671530), (628, 335765), (785, 268612), (1570, 134306), (3140, 67153)]