289690130

素因数分解:

$2^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{52009}}^1$

素因数の和:52573

約数の個数: 16

約数和(自身を含む): 522388440

約数和(自身を除く): 232698310

約数列:

[1, 2, 5, 10, 557, 1114, 2785, 5570, 52009, 104018, 260045, 520090, 28969013, 57938026, 144845065, 289690130]

約数ペア:

[(1, 289690130), (2, 144845065), (5, 57938026), (10, 28969013), (557, 520090), (1114, 260045), (2785, 104018), (5570, 52009)]