1962500

素因数分解:

$2^2\times 5^5\times {\mathrm{157}}^1$

素因数の和:186

約数の個数: 36

約数和(自身を含む): 4320036

約数和(自身を除く): 2357536

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 157, 250, 314, 500, 625, 628, 785, 1250, 1570, 2500, 3125, 3140, 3925, 6250, 7850, 12500, 15700, 19625, 39250, 78500, 98125, 196250, 392500, 490625, 981250, 1962500]

約数ペア:

[(1, 1962500), (2, 981250), (4, 490625), (5, 392500), (10, 196250), (20, 98125), (25, 78500), (50, 39250), (100, 19625), (125, 15700), (157, 12500), (250, 7850), (314, 6250), (500, 3925), (625, 3140), (628, 3125), (785, 2500), (1250, 1570)]