211371010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 416638080

約数和(自身を除く): 205267070

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 107, 185, 190, 214, 281, 370, 535, 562, 703, 1070, 1405, 1406, 2033, 2810, 3515, 3959, 4066, 5339, 7030, 7918, 10165, 10397, 10678, 19795, 20330, 20794, 26695, 30067, 39590, 51985, 53390, 60134, 75221, 103970, 150335, 150442, 197543, 300670, 376105, 395086, 571273, 752210, 987715, 1112479, 1142546, 1975430, 2224958, 2856365, 5562395, 5712730, 11124790, 21137101, 42274202, 105685505, 211371010]

約数ペア:

[(1, 211371010), (2, 105685505), (5, 42274202), (10, 21137101), (19, 11124790), (37, 5712730), (38, 5562395), (74, 2856365), (95, 2224958), (107, 1975430), (185, 1142546), (190, 1112479), (214, 987715), (281, 752210), (370, 571273), (535, 395086), (562, 376105), (703, 300670), (1070, 197543), (1405, 150442), (1406, 150335), (2033, 103970), (2810, 75221), (3515, 60134), (3959, 53390), (4066, 51985), (5339, 39590), (7030, 30067), (7918, 26695), (10165, 20794), (10397, 20330), (10678, 19795)]