196985000

素因数分解:

$2^3\times 5^4\times {\mathrm{39397}}^1$

素因数の和:39423

約数の個数: 40

約数和(自身を含む): 461547570

約数和(自身を除く): 264562570

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 39397, 78794, 157588, 196985, 315176, 393970, 787940, 984925, 1575880, 1969850, 3939700, 4924625, 7879400, 9849250, 19698500, 24623125, 39397000, 49246250, 98492500, 196985000]

約数ペア:

[(1, 196985000), (2, 98492500), (4, 49246250), (5, 39397000), (8, 24623125), (10, 19698500), (20, 9849250), (25, 7879400), (40, 4924625), (50, 3939700), (100, 1969850), (125, 1575880), (200, 984925), (250, 787940), (500, 393970), (625, 315176), (1000, 196985), (1250, 157588), (2500, 78794), (5000, 39397)]