7877886520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28135309}}^1$

素因数の和:28135327

約数の個数: 32

約数和(自身を含む): 20257423200

約数和(自身を除く): 12379536680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28135309, 56270618, 112541236, 140676545, 196947163, 225082472, 281353090, 393894326, 562706180, 787788652, 984735815, 1125412360, 1575577304, 1969471630, 3938943260, 7877886520]

約数ペア:

[(1, 7877886520), (2, 3938943260), (4, 1969471630), (5, 1575577304), (7, 1125412360), (8, 984735815), (10, 787788652), (14, 562706180), (20, 393894326), (28, 281353090), (35, 225082472), (40, 196947163), (56, 140676545), (70, 112541236), (140, 56270618), (280, 28135309)]