51309370

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{2137}}^1$

素因数の和:2172

約数の個数: 40

約数和(自身を含む): 107793684

約数和(自身を除く): 56484314

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 2137, 2401, 3430, 4274, 4802, 10685, 12005, 14959, 21370, 24010, 29918, 74795, 104713, 149590, 209426, 523565, 732991, 1047130, 1465982, 3664955, 5130937, 7329910, 10261874, 25654685, 51309370]

約数ペア:

[(1, 51309370), (2, 25654685), (5, 10261874), (7, 7329910), (10, 5130937), (14, 3664955), (35, 1465982), (49, 1047130), (70, 732991), (98, 523565), (245, 209426), (343, 149590), (490, 104713), (686, 74795), (1715, 29918), (2137, 24010), (2401, 21370), (3430, 14959), (4274, 12005), (4802, 10685)]