71176660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1931}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 159042240

約数和(自身を除く): 87865580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1843, 1931, 1940, 3686, 3862, 7372, 7724, 9215, 9655, 18430, 19310, 36689, 36860, 38620, 73378, 146756, 183445, 187307, 366890, 374614, 733780, 749228, 936535, 1873070, 3558833, 3746140, 7117666, 14235332, 17794165, 35588330, 71176660]

約数ペア:

[(1, 71176660), (2, 35588330), (4, 17794165), (5, 14235332), (10, 7117666), (19, 3746140), (20, 3558833), (38, 1873070), (76, 936535), (95, 749228), (97, 733780), (190, 374614), (194, 366890), (380, 187307), (388, 183445), (485, 146756), (970, 73378), (1843, 38620), (1931, 36860), (1940, 36689), (3686, 19310), (3862, 18430), (7372, 9655), (7724, 9215)]