128974370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{263213}}^1$

素因数の和:263234

約数の個数: 24

約数和(自身を含む): 270057564

約数和(自身を除く): 141083194

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 263213, 526426, 1316065, 1842491, 2632130, 3684982, 9212455, 12897437, 18424910, 25794874, 64487185, 128974370]

約数ペア:

[(1, 128974370), (2, 64487185), (5, 25794874), (7, 18424910), (10, 12897437), (14, 9212455), (35, 3684982), (49, 2632130), (70, 1842491), (98, 1316065), (245, 526426), (490, 263213)]