2100290

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1511}}^1$

素因数の和:1657

約数の個数: 16

約数和(自身を含む): 3810240

約数和(自身を除く): 1709950

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 1511, 3022, 7555, 15110, 210029, 420058, 1050145, 2100290]

約数ペア:

[(1, 2100290), (2, 1050145), (5, 420058), (10, 210029), (139, 15110), (278, 7555), (695, 3022), (1390, 1511)]