208677920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{853}}^1$

素因数の和:1018

約数の個数: 96

約数和(自身を含む): 542324160

約数和(自身を除く): 333646240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 139, 160, 176, 220, 278, 352, 440, 556, 695, 853, 880, 1112, 1390, 1529, 1706, 1760, 2224, 2780, 3058, 3412, 4265, 4448, 5560, 6116, 6824, 7645, 8530, 9383, 11120, 12232, 13648, 15290, 17060, 18766, 22240, 24464, 27296, 30580, 34120, 37532, 46915, 48928, 61160, 68240, 75064, 93830, 118567, 122320, 136480, 150128, 187660, 237134, 244640, 300256, 375320, 474268, 592835, 750640, 948536, 1185670, 1304237, 1501280, 1897072, 2371340, 2608474, 3794144, 4742680, 5216948, 6521185, 9485360, 10433896, 13042370, 18970720, 20867792, 26084740, 41735584, 52169480, 104338960, 208677920]

約数ペア:

[(1, 208677920), (2, 104338960), (4, 52169480), (5, 41735584), (8, 26084740), (10, 20867792), (11, 18970720), (16, 13042370), (20, 10433896), (22, 9485360), (32, 6521185), (40, 5216948), (44, 4742680), (55, 3794144), (80, 2608474), (88, 2371340), (110, 1897072), (139, 1501280), (160, 1304237), (176, 1185670), (220, 948536), (278, 750640), (352, 592835), (440, 474268), (556, 375320), (695, 300256), (853, 244640), (880, 237134), (1112, 187660), (1390, 150128), (1529, 136480), (1706, 122320), (1760, 118567), (2224, 93830), (2780, 75064), (3058, 68240), (3412, 61160), (4265, 48928), (4448, 46915), (5560, 37532), (6116, 34120), (6824, 30580), (7645, 27296), (8530, 24464), (9383, 22240), (11120, 18766), (12232, 17060), (13648, 15290)]