1340446000

素因数分解:

$2^4\times 5^3\times {\mathrm{670223}}^1$

素因数の和:670246

約数の個数: 40

約数和(自身を含む): 3241203264

約数和(自身を除く): 1900757264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 670223, 1340446, 2680892, 3351115, 5361784, 6702230, 10723568, 13404460, 16755575, 26808920, 33511150, 53617840, 67022300, 83777875, 134044600, 167555750, 268089200, 335111500, 670223000, 1340446000]

約数ペア:

[(1, 1340446000), (2, 670223000), (4, 335111500), (5, 268089200), (8, 167555750), (10, 134044600), (16, 83777875), (20, 67022300), (25, 53617840), (40, 33511150), (50, 26808920), (80, 16755575), (100, 13404460), (125, 10723568), (200, 6702230), (250, 5361784), (400, 3351115), (500, 2680892), (1000, 1340446), (2000, 670223)]