538000

素因数分解:

$2^4\times 5^3\times {\mathrm{269}}^1$

素因数の和:292

約数の個数: 40

約数和(自身を含む): 1305720

約数和(自身を除く): 767720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 269, 400, 500, 538, 1000, 1076, 1345, 2000, 2152, 2690, 4304, 5380, 6725, 10760, 13450, 21520, 26900, 33625, 53800, 67250, 107600, 134500, 269000, 538000]

約数ペア:

[(1, 538000), (2, 269000), (4, 134500), (5, 107600), (8, 67250), (10, 53800), (16, 33625), (20, 26900), (25, 21520), (40, 13450), (50, 10760), (80, 6725), (100, 5380), (125, 4304), (200, 2690), (250, 2152), (269, 2000), (400, 1345), (500, 1076), (538, 1000)]