7142000

素因数分解:

$2^4\times 5^3\times {\mathrm{3571}}^1$

素因数の和:3594

約数の個数: 40

約数和(自身を含む): 17274192

約数和(自身を除く): 10132192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 3571, 7142, 14284, 17855, 28568, 35710, 57136, 71420, 89275, 142840, 178550, 285680, 357100, 446375, 714200, 892750, 1428400, 1785500, 3571000, 7142000]

約数ペア:

[(1, 7142000), (2, 3571000), (4, 1785500), (5, 1428400), (8, 892750), (10, 714200), (16, 446375), (20, 357100), (25, 285680), (40, 178550), (50, 142840), (80, 89275), (100, 71420), (125, 57136), (200, 35710), (250, 28568), (400, 17855), (500, 14284), (1000, 7142), (2000, 3571)]