7801400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2053}}^1$

素因数の和:2088

約数の個数: 48

約数和(自身を含む): 19102200

約数和(自身を除く): 11300800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 2053, 3800, 4106, 8212, 10265, 16424, 20530, 39007, 41060, 51325, 78014, 82120, 102650, 156028, 195035, 205300, 312056, 390070, 410600, 780140, 975175, 1560280, 1950350, 3900700, 7801400]

約数ペア:

[(1, 7801400), (2, 3900700), (4, 1950350), (5, 1560280), (8, 975175), (10, 780140), (19, 410600), (20, 390070), (25, 312056), (38, 205300), (40, 195035), (50, 156028), (76, 102650), (95, 82120), (100, 78014), (152, 51325), (190, 41060), (200, 39007), (380, 20530), (475, 16424), (760, 10265), (950, 8212), (1900, 4106), (2053, 3800)]