249173870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{11383}}^1$

素因数の和:11600

約数の個数: 32

約数和(自身を含む): 491788800

約数和(自身を除く): 242614930

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 4378, 10945, 11383, 21890, 22766, 56915, 113830, 125213, 250426, 626065, 1252130, 2265217, 4530434, 11326085, 22652170, 24917387, 49834774, 124586935, 249173870]

約数ペア:

[(1, 249173870), (2, 124586935), (5, 49834774), (10, 24917387), (11, 22652170), (22, 11326085), (55, 4530434), (110, 2265217), (199, 1252130), (398, 626065), (995, 250426), (1990, 125213), (2189, 113830), (4378, 56915), (10945, 22766), (11383, 21890)]