28328600

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{719}}^1$

素因数の和:932

約数の個数: 48

約数和(自身を含む): 66290400

約数和(自身を除く): 37961800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 719, 788, 985, 1438, 1576, 1970, 2876, 3595, 3940, 4925, 5752, 7190, 7880, 9850, 14380, 17975, 19700, 28760, 35950, 39400, 71900, 141643, 143800, 283286, 566572, 708215, 1133144, 1416430, 2832860, 3541075, 5665720, 7082150, 14164300, 28328600]

約数ペア:

[(1, 28328600), (2, 14164300), (4, 7082150), (5, 5665720), (8, 3541075), (10, 2832860), (20, 1416430), (25, 1133144), (40, 708215), (50, 566572), (100, 283286), (197, 143800), (200, 141643), (394, 71900), (719, 39400), (788, 35950), (985, 28760), (1438, 19700), (1576, 17975), (1970, 14380), (2876, 9850), (3595, 7880), (3940, 7190), (4925, 5752)]