1283008060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{3407}}^1$

素因数の和:4426

約数の個数: 48

約数和(自身を含む): 2839818240

約数和(自身を除く): 1556810180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 991, 1982, 3407, 3964, 4955, 6814, 9910, 13628, 17035, 18829, 19820, 34070, 37658, 64733, 68140, 75316, 94145, 129466, 188290, 258932, 323665, 376580, 647330, 1294660, 3376337, 6752674, 13505348, 16881685, 33763370, 64150403, 67526740, 128300806, 256601612, 320752015, 641504030, 1283008060]

約数ペア:

[(1, 1283008060), (2, 641504030), (4, 320752015), (5, 256601612), (10, 128300806), (19, 67526740), (20, 64150403), (38, 33763370), (76, 16881685), (95, 13505348), (190, 6752674), (380, 3376337), (991, 1294660), (1982, 647330), (3407, 376580), (3964, 323665), (4955, 258932), (6814, 188290), (9910, 129466), (13628, 94145), (17035, 75316), (18829, 68140), (19820, 64733), (34070, 37658)]