208058840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{929}}^1$

素因数の和:1460

約数の個数: 64

約数和(自身を含む): 512244000

約数和(自身を除く): 304185160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 509, 929, 1018, 1858, 2036, 2545, 3716, 4072, 4645, 5090, 5599, 7432, 9290, 10180, 10219, 11198, 18580, 20360, 20438, 22396, 27995, 37160, 40876, 44792, 51095, 55990, 81752, 102190, 111980, 204380, 223960, 408760, 472861, 945722, 1891444, 2364305, 3782888, 4728610, 5201471, 9457220, 10402942, 18914440, 20805884, 26007355, 41611768, 52014710, 104029420, 208058840]

約数ペア:

[(1, 208058840), (2, 104029420), (4, 52014710), (5, 41611768), (8, 26007355), (10, 20805884), (11, 18914440), (20, 10402942), (22, 9457220), (40, 5201471), (44, 4728610), (55, 3782888), (88, 2364305), (110, 1891444), (220, 945722), (440, 472861), (509, 408760), (929, 223960), (1018, 204380), (1858, 111980), (2036, 102190), (2545, 81752), (3716, 55990), (4072, 51095), (4645, 44792), (5090, 40876), (5599, 37160), (7432, 27995), (9290, 22396), (10180, 20438), (10219, 20360), (11198, 18580)]