247899440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{182279}}^1$

素因数の和:182309

約数の個数: 40

約数和(自身を含む): 610273440

約数和(自身を除く): 362374000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 182279, 364558, 729116, 911395, 1458232, 1822790, 2916464, 3098743, 3645580, 6197486, 7291160, 12394972, 14582320, 15493715, 24789944, 30987430, 49579888, 61974860, 123949720, 247899440]

約数ペア:

[(1, 247899440), (2, 123949720), (4, 61974860), (5, 49579888), (8, 30987430), (10, 24789944), (16, 15493715), (17, 14582320), (20, 12394972), (34, 7291160), (40, 6197486), (68, 3645580), (80, 3098743), (85, 2916464), (136, 1822790), (170, 1458232), (272, 911395), (340, 729116), (680, 364558), (1360, 182279)]