203419780

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{28813}}^1$

素因数の和:29175

約数の個数: 24

約数和(自身を含む): 428406552

約数和(自身を除く): 224986772

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 28813, 57626, 115252, 144065, 288130, 576260, 10170989, 20341978, 40683956, 50854945, 101709890, 203419780]

約数ペア:

[(1, 203419780), (2, 101709890), (4, 50854945), (5, 40683956), (10, 20341978), (20, 10170989), (353, 576260), (706, 288130), (1412, 144065), (1765, 115252), (3530, 57626), (7060, 28813)]