980020384

素因数分解:

$2^5\times 7^2\times {\mathrm{71}}^1\times {\mathrm{8803}}^1$

素因数の和:8898

約数の個数: 72

約数和(自身を含む): 2276291808

約数和(自身を除く): 1296271424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 71, 98, 112, 142, 196, 224, 284, 392, 497, 568, 784, 994, 1136, 1568, 1988, 2272, 3479, 3976, 6958, 7952, 8803, 13916, 15904, 17606, 27832, 35212, 55664, 61621, 70424, 111328, 123242, 140848, 246484, 281696, 431347, 492968, 625013, 862694, 985936, 1250026, 1725388, 1971872, 2500052, 3450776, 4375091, 5000104, 6901552, 8750182, 10000208, 13803104, 17500364, 20000416, 30625637, 35000728, 61251274, 70001456, 122502548, 140002912, 245005096, 490010192, 980020384]

約数ペア:

[(1, 980020384), (2, 490010192), (4, 245005096), (7, 140002912), (8, 122502548), (14, 70001456), (16, 61251274), (28, 35000728), (32, 30625637), (49, 20000416), (56, 17500364), (71, 13803104), (98, 10000208), (112, 8750182), (142, 6901552), (196, 5000104), (224, 4375091), (284, 3450776), (392, 2500052), (497, 1971872), (568, 1725388), (784, 1250026), (994, 985936), (1136, 862694), (1568, 625013), (1988, 492968), (2272, 431347), (3479, 281696), (3976, 246484), (6958, 140848), (7952, 123242), (8803, 111328), (13916, 70424), (15904, 61621), (17606, 55664), (27832, 35212)]