2142440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2819}}^1$

素因数の和:2849

約数の個数: 32

約数和(自身を含む): 5076000

約数和(自身を除く): 2933560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2819, 5638, 11276, 14095, 22552, 28190, 53561, 56380, 107122, 112760, 214244, 267805, 428488, 535610, 1071220, 2142440]

約数ペア:

[(1, 2142440), (2, 1071220), (4, 535610), (5, 428488), (8, 267805), (10, 214244), (19, 112760), (20, 107122), (38, 56380), (40, 53561), (76, 28190), (95, 22552), (152, 14095), (190, 11276), (380, 5638), (760, 2819)]