2098100

素因数分解:

$2^2\times 5^2\times {\mathrm{20981}}^1$

素因数の和:20995

約数の個数: 18

約数和(自身を含む): 4553094

約数和(自身を除く): 2454994

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20981, 41962, 83924, 104905, 209810, 419620, 524525, 1049050, 2098100]

約数ペア:

[(1, 2098100), (2, 1049050), (4, 524525), (5, 419620), (10, 209810), (20, 104905), (25, 83924), (50, 41962), (100, 20981)]