187972070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131449}}^1$

素因数の和:131480

約数の個数: 32

約数和(自身を含む): 397504800

約数和(自身を除く): 209532730

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 131449, 262898, 657245, 1314490, 1445939, 1708837, 2891878, 3417674, 7229695, 8544185, 14459390, 17088370, 18797207, 37594414, 93986035, 187972070]

約数ペア:

[(1, 187972070), (2, 93986035), (5, 37594414), (10, 18797207), (11, 17088370), (13, 14459390), (22, 8544185), (26, 7229695), (55, 3417674), (65, 2891878), (110, 1708837), (130, 1445939), (143, 1314490), (286, 657245), (715, 262898), (1430, 131449)]