254347685

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 326177280

約数和(自身を除く): 71829595

約数列:

[1, 5, 23, 103, 109, 115, 197, 515, 545, 985, 2369, 2507, 4531, 11227, 11845, 12535, 20291, 21473, 22655, 56135, 101455, 107365, 258221, 466693, 493879, 1291105, 2211719, 2333465, 2469395, 11058595, 50869537, 254347685]

約数ペア:

[(1, 254347685), (5, 50869537), (23, 11058595), (103, 2469395), (109, 2333465), (115, 2211719), (197, 1291105), (515, 493879), (545, 466693), (985, 258221), (2369, 107365), (2507, 101455), (4531, 56135), (11227, 22655), (11845, 21473), (12535, 20291)]