1285442980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2216281}}^1$

素因数の和:2216319

約数の個数: 24

約数和(自身を含む): 2792515320

約数和(自身を除く): 1507072340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 2216281, 4432562, 8865124, 11081405, 22162810, 44325620, 64272149, 128544298, 257088596, 321360745, 642721490, 1285442980]

約数ペア:

[(1, 1285442980), (2, 642721490), (4, 321360745), (5, 257088596), (10, 128544298), (20, 64272149), (29, 44325620), (58, 22162810), (116, 11081405), (145, 8865124), (290, 4432562), (580, 2216281)]