3198100

素因数分解:

$2^2\times 5^2\times {\mathrm{31981}}^1$

素因数の和:31995

約数の個数: 18

約数和(自身を含む): 6940094

約数和(自身を除く): 3741994

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 31981, 63962, 127924, 159905, 319810, 639620, 799525, 1599050, 3198100]

約数ペア:

[(1, 3198100), (2, 1599050), (4, 799525), (5, 639620), (10, 319810), (20, 159905), (25, 127924), (50, 63962), (100, 31981)]