745000

素因数分解:

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

素因数の和:175

約数の個数: 40

約数和(自身を含む): 1757250

約数和(自身を除く): 1012250

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 149, 200, 250, 298, 500, 596, 625, 745, 1000, 1192, 1250, 1490, 2500, 2980, 3725, 5000, 5960, 7450, 14900, 18625, 29800, 37250, 74500, 93125, 149000, 186250, 372500, 745000]

約数ペア:

[(1, 745000), (2, 372500), (4, 186250), (5, 149000), (8, 93125), (10, 74500), (20, 37250), (25, 29800), (40, 18625), (50, 14900), (100, 7450), (125, 5960), (149, 5000), (200, 3725), (250, 2980), (298, 2500), (500, 1490), (596, 1250), (625, 1192), (745, 1000)]