208043080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1489}}^1$

素因数の和:2006

約数の個数: 64

約数和(自身を含む): 536400000

約数和(自身を除く): 328356920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 499, 998, 1489, 1996, 2495, 2978, 3493, 3992, 4990, 5956, 6986, 7445, 9980, 10423, 11912, 13972, 14890, 17465, 19960, 20846, 27944, 29780, 34930, 41692, 52115, 59560, 69860, 83384, 104230, 139720, 208460, 416920, 743011, 1486022, 2972044, 3715055, 5201077, 5944088, 7430110, 10402154, 14860220, 20804308, 26005385, 29720440, 41608616, 52010770, 104021540, 208043080]

約数ペア:

[(1, 208043080), (2, 104021540), (4, 52010770), (5, 41608616), (7, 29720440), (8, 26005385), (10, 20804308), (14, 14860220), (20, 10402154), (28, 7430110), (35, 5944088), (40, 5201077), (56, 3715055), (70, 2972044), (140, 1486022), (280, 743011), (499, 416920), (998, 208460), (1489, 139720), (1996, 104230), (2495, 83384), (2978, 69860), (3493, 59560), (3992, 52115), (4990, 41692), (5956, 34930), (6986, 29780), (7445, 27944), (9980, 20846), (10423, 19960), (11912, 17465), (13972, 14890)]