209191330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{3119}}^1$

素因数の和:3498

約数の個数: 32

約数和(自身を含む): 397612800

約数和(自身を除く): 188421470

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 353, 706, 1765, 3119, 3530, 6238, 6707, 13414, 15595, 31190, 33535, 59261, 67070, 118522, 296305, 592610, 1101007, 2202014, 5505035, 11010070, 20919133, 41838266, 104595665, 209191330]

約数ペア:

[(1, 209191330), (2, 104595665), (5, 41838266), (10, 20919133), (19, 11010070), (38, 5505035), (95, 2202014), (190, 1101007), (353, 592610), (706, 296305), (1765, 118522), (3119, 67070), (3530, 59261), (6238, 33535), (6707, 31190), (13414, 15595)]