2720990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{14321}}^1$

素因数の和:14347

約数の個数: 16

約数和(自身を含む): 5155920

約数和(自身を除く): 2434930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 14321, 28642, 71605, 143210, 272099, 544198, 1360495, 2720990]

約数ペア:

[(1, 2720990), (2, 1360495), (5, 544198), (10, 272099), (19, 143210), (38, 71605), (95, 28642), (190, 14321)]