298981520

素因数分解:

$2^4\times 5^1\times {\mathrm{3737269}}^1$

素因数の和:3737282

約数の個数: 20

約数和(自身を含む): 695132220

約数和(自身を除く): 396150700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3737269, 7474538, 14949076, 18686345, 29898152, 37372690, 59796304, 74745380, 149490760, 298981520]

約数ペア:

[(1, 298981520), (2, 149490760), (4, 74745380), (5, 59796304), (8, 37372690), (10, 29898152), (16, 18686345), (20, 14949076), (40, 7474538), (80, 3737269)]