2019207560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{2677}}^1$

素因数の和:2970

約数の個数: 64

約数和(自身を含む): 4613122800

約数和(自身を除く): 2593915240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 173, 218, 346, 436, 545, 692, 865, 872, 1090, 1384, 1730, 2180, 2677, 3460, 4360, 5354, 6920, 10708, 13385, 18857, 21416, 26770, 37714, 53540, 75428, 94285, 107080, 150856, 188570, 291793, 377140, 463121, 583586, 754280, 926242, 1167172, 1458965, 1852484, 2315605, 2334344, 2917930, 3704968, 4631210, 5835860, 9262420, 11671720, 18524840, 50480189, 100960378, 201920756, 252400945, 403841512, 504801890, 1009603780, 2019207560]

約数ペア:

[(1, 2019207560), (2, 1009603780), (4, 504801890), (5, 403841512), (8, 252400945), (10, 201920756), (20, 100960378), (40, 50480189), (109, 18524840), (173, 11671720), (218, 9262420), (346, 5835860), (436, 4631210), (545, 3704968), (692, 2917930), (865, 2334344), (872, 2315605), (1090, 1852484), (1384, 1458965), (1730, 1167172), (2180, 926242), (2677, 754280), (3460, 583586), (4360, 463121), (5354, 377140), (6920, 291793), (10708, 188570), (13385, 150856), (18857, 107080), (21416, 94285), (26770, 75428), (37714, 53540)]