1388833580

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{363569}}^1$

素因数の和:363769

約数の個数: 24

約数和(自身を含む): 2931828480

約数和(自身を除く): 1542994900

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 363569, 727138, 1454276, 1817845, 3635690, 7271380, 69441679, 138883358, 277766716, 347208395, 694416790, 1388833580]

約数ペア:

[(1, 1388833580), (2, 694416790), (4, 347208395), (5, 277766716), (10, 138883358), (20, 69441679), (191, 7271380), (382, 3635690), (764, 1817845), (955, 1454276), (1910, 727138), (3820, 363569)]