203294780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{10711}}^1$

素因数の和:10806

約数の個数: 48

約数和(自身を含む): 466100544

約数和(自身を除く): 262805764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 9490, 10711, 18980, 21422, 42844, 53555, 107110, 139243, 214220, 278486, 556972, 696215, 781903, 1392430, 1563806, 2784860, 3127612, 3909515, 7819030, 10164739, 15638060, 20329478, 40658956, 50823695, 101647390, 203294780]

約数ペア:

[(1, 203294780), (2, 101647390), (4, 50823695), (5, 40658956), (10, 20329478), (13, 15638060), (20, 10164739), (26, 7819030), (52, 3909515), (65, 3127612), (73, 2784860), (130, 1563806), (146, 1392430), (260, 781903), (292, 696215), (365, 556972), (730, 278486), (949, 214220), (1460, 139243), (1898, 107110), (3796, 53555), (4745, 42844), (9490, 21422), (10711, 18980)]