2905890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7451}}^1$

素因数の和:7474

約数の個数: 32

約数和(自身を含む): 7511616

約数和(自身を除く): 4605726

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 7451, 14902, 22353, 37255, 44706, 74510, 96863, 111765, 193726, 223530, 290589, 484315, 581178, 968630, 1452945, 2905890]

約数ペア:

[(1, 2905890), (2, 1452945), (3, 968630), (5, 581178), (6, 484315), (10, 290589), (13, 223530), (15, 193726), (26, 111765), (30, 96863), (39, 74510), (65, 44706), (78, 37255), (130, 22353), (195, 14902), (390, 7451)]