280798270

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{221101}}^1$

素因数の和:221235

約数の個数: 16

約数和(自身を含む): 509419008

約数和(自身を除く): 228620738

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 221101, 442202, 1105505, 2211010, 28079827, 56159654, 140399135, 280798270]

約数ペア:

[(1, 280798270), (2, 140399135), (5, 56159654), (10, 28079827), (127, 2211010), (254, 1105505), (635, 442202), (1270, 221101)]