994690000

素因数分解:

$2^4\times 5^4\times {\mathrm{99469}}^1$

素因数の和:99497

約数の個数: 50

約数和(自身を含む): 2408268170

約数和(自身を除く): 1413578170

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 99469, 198938, 397876, 497345, 795752, 994690, 1591504, 1989380, 2486725, 3978760, 4973450, 7957520, 9946900, 12433625, 19893800, 24867250, 39787600, 49734500, 62168125, 99469000, 124336250, 198938000, 248672500, 497345000, 994690000]

約数ペア:

[(1, 994690000), (2, 497345000), (4, 248672500), (5, 198938000), (8, 124336250), (10, 99469000), (16, 62168125), (20, 49734500), (25, 39787600), (40, 24867250), (50, 19893800), (80, 12433625), (100, 9946900), (125, 7957520), (200, 4973450), (250, 3978760), (400, 2486725), (500, 1989380), (625, 1591504), (1000, 994690), (1250, 795752), (2000, 497345), (2500, 397876), (5000, 198938), (10000, 99469)]