278353940

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{52919}}^1$

素因数の和:53191

約数の個数: 24

約数和(自身を含む): 586776960

約数和(自身を除く): 308423020

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 52919, 105838, 211676, 264595, 529190, 1058380, 13917697, 27835394, 55670788, 69588485, 139176970, 278353940]

約数ペア:

[(1, 278353940), (2, 139176970), (4, 69588485), (5, 55670788), (10, 27835394), (20, 13917697), (263, 1058380), (526, 529190), (1052, 264595), (1315, 211676), (2630, 105838), (5260, 52919)]