207797480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1361}}^1$

素因数の和:1730

約数の個数: 64

約数和(自身を含む): 511894080

約数和(自身を除く): 304096600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 347, 440, 694, 1361, 1388, 1735, 2722, 2776, 3470, 3817, 5444, 6805, 6940, 7634, 10888, 13610, 13880, 14971, 15268, 19085, 27220, 29942, 30536, 38170, 54440, 59884, 74855, 76340, 119768, 149710, 152680, 299420, 472267, 598840, 944534, 1889068, 2361335, 3778136, 4722670, 5194937, 9445340, 10389874, 18890680, 20779748, 25974685, 41559496, 51949370, 103898740, 207797480]

約数ペア:

[(1, 207797480), (2, 103898740), (4, 51949370), (5, 41559496), (8, 25974685), (10, 20779748), (11, 18890680), (20, 10389874), (22, 9445340), (40, 5194937), (44, 4722670), (55, 3778136), (88, 2361335), (110, 1889068), (220, 944534), (347, 598840), (440, 472267), (694, 299420), (1361, 152680), (1388, 149710), (1735, 119768), (2722, 76340), (2776, 74855), (3470, 59884), (3817, 54440), (5444, 38170), (6805, 30536), (6940, 29942), (7634, 27220), (10888, 19085), (13610, 15268), (13880, 14971)]