1142000

素因数分解:

$2^4\times 5^3\times {\mathrm{571}}^1$

素因数の和:594

約数の個数: 40

約数和(自身を含む): 2766192

約数和(自身を除く): 1624192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 571, 1000, 1142, 2000, 2284, 2855, 4568, 5710, 9136, 11420, 14275, 22840, 28550, 45680, 57100, 71375, 114200, 142750, 228400, 285500, 571000, 1142000]

約数ペア:

[(1, 1142000), (2, 571000), (4, 285500), (5, 228400), (8, 142750), (10, 114200), (16, 71375), (20, 57100), (25, 45680), (40, 28550), (50, 22840), (80, 14275), (100, 11420), (125, 9136), (200, 5710), (250, 4568), (400, 2855), (500, 2284), (571, 2000), (1000, 1142)]