3880457980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{3959651}}^1$

素因数の和:3959674

約数の個数: 36

約数和(自身を含む): 9479406888

約数和(自身を除く): 5598948908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 3959651, 7919302, 15838604, 19798255, 27717557, 39596510, 55435114, 79193020, 110870228, 138587785, 194022899, 277175570, 388045798, 554351140, 776091596, 970114495, 1940228990, 3880457980]

約数ペア:

[(1, 3880457980), (2, 1940228990), (4, 970114495), (5, 776091596), (7, 554351140), (10, 388045798), (14, 277175570), (20, 194022899), (28, 138587785), (35, 110870228), (49, 79193020), (70, 55435114), (98, 39596510), (140, 27717557), (196, 19798255), (245, 15838604), (490, 7919302), (980, 3959651)]