1997000

素因数分解:

$2^3\times 5^3\times {\mathrm{1997}}^1$

素因数の和:2018

約数の個数: 32

約数和(自身を含む): 4675320

約数和(自身を除く): 2678320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 1997, 3994, 7988, 9985, 15976, 19970, 39940, 49925, 79880, 99850, 199700, 249625, 399400, 499250, 998500, 1997000]

約数ペア:

[(1, 1997000), (2, 998500), (4, 499250), (5, 399400), (8, 249625), (10, 199700), (20, 99850), (25, 79880), (40, 49925), (50, 39940), (100, 19970), (125, 15976), (200, 9985), (250, 7988), (500, 3994), (1000, 1997)]