1938125

素因数分解:

$5^4\times 7^1\times {\mathrm{443}}^1$

素因数の和:470

約数の個数: 20

約数和(自身を含む): 2774112

約数和(自身を除く): 835987

約数列:

[1, 5, 7, 25, 35, 125, 175, 443, 625, 875, 2215, 3101, 4375, 11075, 15505, 55375, 77525, 276875, 387625, 1938125]

約数ペア:

[(1, 1938125), (5, 387625), (7, 276875), (25, 77525), (35, 55375), (125, 15505), (175, 11075), (443, 4375), (625, 3101), (875, 2215)]