2800278220

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{280589}}^1$

素因数の和:281097

約数の個数: 24

約数和(自身を含む): 5892390000

約数和(自身を除く): 3092111780

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980, 280589, 561178, 1122356, 1402945, 2805890, 5611780, 140013911, 280027822, 560055644, 700069555, 1400139110, 2800278220]

約数ペア:

[(1, 2800278220), (2, 1400139110), (4, 700069555), (5, 560055644), (10, 280027822), (20, 140013911), (499, 5611780), (998, 2805890), (1996, 1402945), (2495, 1122356), (4990, 561178), (9980, 280589)]