196009780

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{22123}}^1$

素因数の和:22575

約数の個数: 24

約数和(自身を含む): 412568352

約数和(自身を除く): 216558572

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 22123, 44246, 88492, 110615, 221230, 442460, 9800489, 19600978, 39201956, 49002445, 98004890, 196009780]

約数ペア:

[(1, 196009780), (2, 98004890), (4, 49002445), (5, 39201956), (10, 19600978), (20, 9800489), (443, 442460), (886, 221230), (1772, 110615), (2215, 88492), (4430, 44246), (8860, 22123)]