71311220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{709}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 154586880

約数和(自身を除く): 83275660

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 107, 188, 214, 235, 428, 470, 535, 709, 940, 1070, 1418, 2140, 2836, 3545, 5029, 7090, 10058, 14180, 20116, 25145, 33323, 50290, 66646, 75863, 100580, 133292, 151726, 166615, 303452, 333230, 379315, 666460, 758630, 1517260, 3565561, 7131122, 14262244, 17827805, 35655610, 71311220]

約数ペア:

[(1, 71311220), (2, 35655610), (4, 17827805), (5, 14262244), (10, 7131122), (20, 3565561), (47, 1517260), (94, 758630), (107, 666460), (188, 379315), (214, 333230), (235, 303452), (428, 166615), (470, 151726), (535, 133292), (709, 100580), (940, 75863), (1070, 66646), (1418, 50290), (2140, 33323), (2836, 25145), (3545, 20116), (5029, 14180), (7090, 10058)]