71286380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1873}}^1$

素因数の和:2066

約数の個数: 48

約数和(自身を含む): 164342304

約数和(自身を除く): 93055924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1730, 1873, 1903, 3460, 3746, 3806, 7492, 7612, 9365, 9515, 18730, 19030, 20603, 37460, 38060, 41206, 82412, 103015, 206030, 324029, 412060, 648058, 1296116, 1620145, 3240290, 3564319, 6480580, 7128638, 14257276, 17821595, 35643190, 71286380]

約数ペア:

[(1, 71286380), (2, 35643190), (4, 17821595), (5, 14257276), (10, 7128638), (11, 6480580), (20, 3564319), (22, 3240290), (44, 1620145), (55, 1296116), (110, 648058), (173, 412060), (220, 324029), (346, 206030), (692, 103015), (865, 82412), (1730, 41206), (1873, 38060), (1903, 37460), (3460, 20603), (3746, 19030), (3806, 18730), (7492, 9515), (7612, 9365)]