977480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3491}}^1$

素因数の和:3509

約数の個数: 32

約数和(自身を含む): 2514240

約数和(自身を除く): 1536760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3491, 6982, 13964, 17455, 24437, 27928, 34910, 48874, 69820, 97748, 122185, 139640, 195496, 244370, 488740, 977480]

約数ペア:

[(1, 977480), (2, 488740), (4, 244370), (5, 195496), (7, 139640), (8, 122185), (10, 97748), (14, 69820), (20, 48874), (28, 34910), (35, 27928), (40, 24437), (56, 17455), (70, 13964), (140, 6982), (280, 3491)]