1438000

素因数分解:

$2^4\times 5^3\times {\mathrm{719}}^1$

素因数の和:742

約数の個数: 40

約数和(自身を含む): 3481920

約数和(自身を除く): 2043920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 719, 1000, 1438, 2000, 2876, 3595, 5752, 7190, 11504, 14380, 17975, 28760, 35950, 57520, 71900, 89875, 143800, 179750, 287600, 359500, 719000, 1438000]

約数ペア:

[(1, 1438000), (2, 719000), (4, 359500), (5, 287600), (8, 179750), (10, 143800), (16, 89875), (20, 71900), (25, 57520), (40, 35950), (50, 28760), (80, 17975), (100, 14380), (125, 11504), (200, 7190), (250, 5752), (400, 3595), (500, 2876), (719, 2000), (1000, 1438)]