28378500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{18919}}^1$

素因数の和:18941

約数の個数: 48

約数和(自身を含む): 82642560

約数和(自身を除く): 54264060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 18919, 37838, 56757, 75676, 94595, 113514, 189190, 227028, 283785, 378380, 472975, 567570, 945950, 1135140, 1418925, 1891900, 2364875, 2837850, 4729750, 5675700, 7094625, 9459500, 14189250, 28378500]

約数ペア:

[(1, 28378500), (2, 14189250), (3, 9459500), (4, 7094625), (5, 5675700), (6, 4729750), (10, 2837850), (12, 2364875), (15, 1891900), (20, 1418925), (25, 1135140), (30, 945950), (50, 567570), (60, 472975), (75, 378380), (100, 283785), (125, 227028), (150, 189190), (250, 113514), (300, 94595), (375, 75676), (500, 56757), (750, 37838), (1500, 18919)]