2000775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 3920384

約数和(自身を除く): 1919609

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 37, 75, 103, 105, 111, 175, 185, 259, 309, 515, 525, 555, 721, 777, 925, 1295, 1545, 2163, 2575, 2775, 3605, 3811, 3885, 6475, 7725, 10815, 11433, 18025, 19055, 19425, 26677, 54075, 57165, 80031, 95275, 133385, 285825, 400155, 666925, 2000775]

約数ペア:

[(1, 2000775), (3, 666925), (5, 400155), (7, 285825), (15, 133385), (21, 95275), (25, 80031), (35, 57165), (37, 54075), (75, 26677), (103, 19425), (105, 19055), (111, 18025), (175, 11433), (185, 10815), (259, 7725), (309, 6475), (515, 3885), (525, 3811), (555, 3605), (721, 2775), (777, 2575), (925, 2163), (1295, 1545)]