28857100

素因数分解:

$2^2\times 5^2\times {\mathrm{288571}}^1$

素因数の和:288585

約数の個数: 18

約数和(自身を含む): 62620124

約数和(自身を除く): 33763024

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 288571, 577142, 1154284, 1442855, 2885710, 5771420, 7214275, 14428550, 28857100]

約数ペア:

[(1, 28857100), (2, 14428550), (4, 7214275), (5, 5771420), (10, 2885710), (20, 1442855), (25, 1154284), (50, 577142), (100, 288571)]