397000

素因数分解:

$2^3\times 5^3\times {\mathrm{397}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 931320

約数和(自身を除く): 534320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 397, 500, 794, 1000, 1588, 1985, 3176, 3970, 7940, 9925, 15880, 19850, 39700, 49625, 79400, 99250, 198500, 397000]

約数ペア:

[(1, 397000), (2, 198500), (4, 99250), (5, 79400), (8, 49625), (10, 39700), (20, 19850), (25, 15880), (40, 9925), (50, 7940), (100, 3970), (125, 3176), (200, 1985), (250, 1588), (397, 1000), (500, 794)]