788000

素因数分解:

$2^5\times 5^3\times {\mathrm{197}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 1945944

約数和(自身を除く): 1157944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 197, 200, 250, 394, 400, 500, 788, 800, 985, 1000, 1576, 1970, 2000, 3152, 3940, 4000, 4925, 6304, 7880, 9850, 15760, 19700, 24625, 31520, 39400, 49250, 78800, 98500, 157600, 197000, 394000, 788000]

約数ペア:

[(1, 788000), (2, 394000), (4, 197000), (5, 157600), (8, 98500), (10, 78800), (16, 49250), (20, 39400), (25, 31520), (32, 24625), (40, 19700), (50, 15760), (80, 9850), (100, 7880), (125, 6304), (160, 4925), (197, 4000), (200, 3940), (250, 3152), (394, 2000), (400, 1970), (500, 1576), (788, 1000), (800, 985)]