157280420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{714911}}^1$

素因数の和:714931

約数の個数: 24

約数和(自身を含む): 360315648

約数和(自身を除く): 203035228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 714911, 1429822, 2859644, 3574555, 7149110, 7864021, 14298220, 15728042, 31456084, 39320105, 78640210, 157280420]

約数ペア:

[(1, 157280420), (2, 78640210), (4, 39320105), (5, 31456084), (10, 15728042), (11, 14298220), (20, 7864021), (22, 7149110), (44, 3574555), (55, 2859644), (110, 1429822), (220, 714911)]