2855000

素因数分解:

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

素因数の和:597

約数の個数: 40

約数和(自身を含む): 6700980

約数和(自身を除く): 3845980

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 571, 625, 1000, 1142, 1250, 2284, 2500, 2855, 4568, 5000, 5710, 11420, 14275, 22840, 28550, 57100, 71375, 114200, 142750, 285500, 356875, 571000, 713750, 1427500, 2855000]

約数ペア:

[(1, 2855000), (2, 1427500), (4, 713750), (5, 571000), (8, 356875), (10, 285500), (20, 142750), (25, 114200), (40, 71375), (50, 57100), (100, 28550), (125, 22840), (200, 14275), (250, 11420), (500, 5710), (571, 5000), (625, 4568), (1000, 2855), (1142, 2500), (1250, 2284)]