1382000

素因数分解:

$2^4\times 5^3\times {\mathrm{691}}^1$

素因数の和:714

約数の個数: 40

約数和(自身を含む): 3346512

約数和(自身を除く): 1964512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 691, 1000, 1382, 2000, 2764, 3455, 5528, 6910, 11056, 13820, 17275, 27640, 34550, 55280, 69100, 86375, 138200, 172750, 276400, 345500, 691000, 1382000]

約数ペア:

[(1, 1382000), (2, 691000), (4, 345500), (5, 276400), (8, 172750), (10, 138200), (16, 86375), (20, 69100), (25, 55280), (40, 34550), (50, 27640), (80, 17275), (100, 13820), (125, 11056), (200, 6910), (250, 5528), (400, 3455), (500, 2764), (691, 2000), (1000, 1382)]