420171356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1\times {\mathrm{509}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 817901280

約数和(自身を除く): 397729924

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 257, 292, 509, 514, 803, 1018, 1028, 1606, 2036, 2827, 3212, 5599, 5654, 11198, 11308, 18761, 22396, 37157, 37522, 74314, 75044, 130813, 148628, 206371, 261626, 408727, 412742, 523252, 817454, 825484, 1438943, 1634908, 2877886, 5755772, 9549349, 19098698, 38197396, 105042839, 210085678, 420171356]

約数ペア:

[(1, 420171356), (2, 210085678), (4, 105042839), (11, 38197396), (22, 19098698), (44, 9549349), (73, 5755772), (146, 2877886), (257, 1634908), (292, 1438943), (509, 825484), (514, 817454), (803, 523252), (1018, 412742), (1028, 408727), (1606, 261626), (2036, 206371), (2827, 148628), (3212, 130813), (5599, 75044), (5654, 74314), (11198, 37522), (11308, 37157), (18761, 22396)]