51730280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{26393}}^1$

素因数の和:26418

約数の個数: 48

約数和(自身を含む): 135401220

約数和(自身を除く): 83670940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 26393, 52786, 105572, 131965, 184751, 211144, 263930, 369502, 527860, 739004, 923755, 1055720, 1293257, 1478008, 1847510, 2586514, 3695020, 5173028, 6466285, 7390040, 10346056, 12932570, 25865140, 51730280]

約数ペア:

[(1, 51730280), (2, 25865140), (4, 12932570), (5, 10346056), (7, 7390040), (8, 6466285), (10, 5173028), (14, 3695020), (20, 2586514), (28, 1847510), (35, 1478008), (40, 1293257), (49, 1055720), (56, 923755), (70, 739004), (98, 527860), (140, 369502), (196, 263930), (245, 211144), (280, 184751), (392, 131965), (490, 105572), (980, 52786), (1960, 26393)]