298000

素因数分解:

$2^4\times 5^3\times {\mathrm{149}}^1$

素因数の和:172

約数の個数: 40

約数和(自身を含む): 725400

約数和(自身を除く): 427400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 149, 200, 250, 298, 400, 500, 596, 745, 1000, 1192, 1490, 2000, 2384, 2980, 3725, 5960, 7450, 11920, 14900, 18625, 29800, 37250, 59600, 74500, 149000, 298000]

約数ペア:

[(1, 298000), (2, 149000), (4, 74500), (5, 59600), (8, 37250), (10, 29800), (16, 18625), (20, 14900), (25, 11920), (40, 7450), (50, 5960), (80, 3725), (100, 2980), (125, 2384), (149, 2000), (200, 1490), (250, 1192), (298, 1000), (400, 745), (500, 596)]