285.00000000

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{58109}}^1$

素因数の和:58179

約数の個数: 32

約数和(自身を含む): 216169200

約数和(自身を除く): 131097624

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 244, 366, 488, 732, 1464, 58109, 116218, 174327, 232436, 348654, 464872, 697308, 1394616, 3544649, 7089298, 10633947, 14178596, 21267894, 28357192, 42535788, 85071576]

約数ペア:

[(1, 85071576), (2, 42535788), (3, 28357192), (4, 21267894), (6, 14178596), (8, 10633947), (12, 7089298), (24, 3544649), (61, 1394616), (122, 697308), (183, 464872), (244, 348654), (366, 232436), (488, 174327), (732, 116218), (1464, 58109)]