203488990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{1439}}^1$

素因数の和:1704

約数の個数: 32

約数和(自身を含む): 373248000

約数和(自身を除く): 169759010

約数列:

[1, 2, 5, 10, 79, 158, 179, 358, 395, 790, 895, 1439, 1790, 2878, 7195, 14141, 14390, 28282, 70705, 113681, 141410, 227362, 257581, 515162, 568405, 1136810, 1287905, 2575810, 20348899, 40697798, 101744495, 203488990]

約数ペア:

[(1, 203488990), (2, 101744495), (5, 40697798), (10, 20348899), (79, 2575810), (158, 1287905), (179, 1136810), (358, 568405), (395, 515162), (790, 257581), (895, 227362), (1439, 141410), (1790, 113681), (2878, 70705), (7195, 28282), (14141, 14390)]