13780210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 25787520

約数和(自身を除く): 12007310

約数列:

[1, 2, 5, 10, 43, 73, 86, 146, 215, 365, 430, 439, 730, 878, 2195, 3139, 4390, 6278, 15695, 18877, 31390, 32047, 37754, 64094, 94385, 160235, 188770, 320470, 1378021, 2756042, 6890105, 13780210]

約数ペア:

[(1, 13780210), (2, 6890105), (5, 2756042), (10, 1378021), (43, 320470), (73, 188770), (86, 160235), (146, 94385), (215, 64094), (365, 37754), (430, 32047), (439, 31390), (730, 18877), (878, 15695), (2195, 6278), (3139, 4390)]