677740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 1677312

約数和(自身を除く): 999572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 103, 140, 188, 206, 235, 329, 412, 470, 515, 658, 721, 940, 1030, 1316, 1442, 1645, 2060, 2884, 3290, 3605, 4841, 6580, 7210, 9682, 14420, 19364, 24205, 33887, 48410, 67774, 96820, 135548, 169435, 338870, 677740]

約数ペア:

[(1, 677740), (2, 338870), (4, 169435), (5, 135548), (7, 96820), (10, 67774), (14, 48410), (20, 33887), (28, 24205), (35, 19364), (47, 14420), (70, 9682), (94, 7210), (103, 6580), (140, 4841), (188, 3605), (206, 3290), (235, 2884), (329, 2060), (412, 1645), (470, 1442), (515, 1316), (658, 1030), (721, 940)]