1909958260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1948937}}^1$

素因数の和:1948960

約数の個数: 36

約数和(自身を含む): 4665757572

約数和(自身を除く): 2755799312

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1948937, 3897874, 7795748, 9744685, 13642559, 19489370, 27285118, 38978740, 54570236, 68212795, 95497913, 136425590, 190995826, 272851180, 381991652, 477489565, 954979130, 1909958260]

約数ペア:

[(1, 1909958260), (2, 954979130), (4, 477489565), (5, 381991652), (7, 272851180), (10, 190995826), (14, 136425590), (20, 95497913), (28, 68212795), (35, 54570236), (49, 38978740), (70, 27285118), (98, 19489370), (140, 13642559), (196, 9744685), (245, 7795748), (490, 3897874), (980, 1948937)]