689014910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{19081}}^1$

素因数の和:19268

約数の個数: 32

約数和(自身を含む): 1302460992

約数和(自身を除く): 613446082

約数列:

[1, 2, 5, 10, 23, 46, 115, 157, 230, 314, 785, 1570, 3611, 7222, 18055, 19081, 36110, 38162, 95405, 190810, 438863, 877726, 2194315, 2995717, 4388630, 5991434, 14978585, 29957170, 68901491, 137802982, 344507455, 689014910]

約数ペア:

[(1, 689014910), (2, 344507455), (5, 137802982), (10, 68901491), (23, 29957170), (46, 14978585), (115, 5991434), (157, 4388630), (230, 2995717), (314, 2194315), (785, 877726), (1570, 438863), (3611, 190810), (7222, 95405), (18055, 38162), (19081, 36110)]