81495400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{58211}}^1$

素因数の和:58234

約数の個数: 48

約数和(自身を含む): 216548640

約数和(自身を除く): 135053240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 58211, 116422, 232844, 291055, 407477, 465688, 582110, 814954, 1164220, 1455275, 1629908, 2037385, 2328440, 2910550, 3259816, 4074770, 5821100, 8149540, 10186925, 11642200, 16299080, 20373850, 40747700, 81495400]

約数ペア:

[(1, 81495400), (2, 40747700), (4, 20373850), (5, 16299080), (7, 11642200), (8, 10186925), (10, 8149540), (14, 5821100), (20, 4074770), (25, 3259816), (28, 2910550), (35, 2328440), (40, 2037385), (50, 1629908), (56, 1455275), (70, 1164220), (100, 814954), (140, 582110), (175, 465688), (200, 407477), (280, 291055), (350, 232844), (700, 116422), (1400, 58211)]