2657480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9491}}^1$

素因数の和:9509

約数の個数: 32

約数和(自身を含む): 6834240

約数和(自身を除く): 4176760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9491, 18982, 37964, 47455, 66437, 75928, 94910, 132874, 189820, 265748, 332185, 379640, 531496, 664370, 1328740, 2657480]

約数ペア:

[(1, 2657480), (2, 1328740), (4, 664370), (5, 531496), (7, 379640), (8, 332185), (10, 265748), (14, 189820), (20, 132874), (28, 94910), (35, 75928), (40, 66437), (56, 47455), (70, 37964), (140, 18982), (280, 9491)]