91697480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{327491}}^1$

素因数の和:327509

約数の個数: 32

約数和(自身を含む): 235794240

約数和(自身を除く): 144096760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 327491, 654982, 1309964, 1637455, 2292437, 2619928, 3274910, 4584874, 6549820, 9169748, 11462185, 13099640, 18339496, 22924370, 45848740, 91697480]

約数ペア:

[(1, 91697480), (2, 45848740), (4, 22924370), (5, 18339496), (7, 13099640), (8, 11462185), (10, 9169748), (14, 6549820), (20, 4584874), (28, 3274910), (35, 2619928), (40, 2292437), (56, 1637455), (70, 1309964), (140, 654982), (280, 327491)]