71840140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1949}}^1$

素因数の和:2074

約数の個数: 48

約数和(自身を含む): 160524000

約数和(自身を除く): 88683860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1843, 1940, 1949, 3686, 3898, 7372, 7796, 9215, 9745, 18430, 19490, 36860, 37031, 38980, 74062, 148124, 185155, 189053, 370310, 378106, 740620, 756212, 945265, 1890530, 3592007, 3781060, 7184014, 14368028, 17960035, 35920070, 71840140]

約数ペア:

[(1, 71840140), (2, 35920070), (4, 17960035), (5, 14368028), (10, 7184014), (19, 3781060), (20, 3592007), (38, 1890530), (76, 945265), (95, 756212), (97, 740620), (190, 378106), (194, 370310), (380, 189053), (388, 185155), (485, 148124), (970, 74062), (1843, 38980), (1940, 37031), (1949, 36860), (3686, 19490), (3898, 18430), (7372, 9745), (7796, 9215)]