1238000

素因数分解:

$2^4\times 5^3\times {\mathrm{619}}^1$

素因数の和:642

約数の個数: 40

約数和(自身を含む): 2998320

約数和(自身を除く): 1760320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 619, 1000, 1238, 2000, 2476, 3095, 4952, 6190, 9904, 12380, 15475, 24760, 30950, 49520, 61900, 77375, 123800, 154750, 247600, 309500, 619000, 1238000]

約数ペア:

[(1, 1238000), (2, 619000), (4, 309500), (5, 247600), (8, 154750), (10, 123800), (16, 77375), (20, 61900), (25, 49520), (40, 30950), (50, 24760), (80, 15475), (100, 12380), (125, 9904), (200, 6190), (250, 4952), (400, 3095), (500, 2476), (619, 2000), (1000, 1238)]