1981250

素因数分解:

$2^1\times 5^5\times {\mathrm{317}}^1$

素因数の和:344

約数の個数: 24

約数和(自身を含む): 3726324

約数和(自身を除く): 1745074

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 317, 625, 634, 1250, 1585, 3125, 3170, 6250, 7925, 15850, 39625, 79250, 198125, 396250, 990625, 1981250]

約数ペア:

[(1, 1981250), (2, 990625), (5, 396250), (10, 198125), (25, 79250), (50, 39625), (125, 15850), (250, 7925), (317, 6250), (625, 3170), (634, 3125), (1250, 1585)]