189889504

素因数分解:

$2^5\times 7^2\times {\mathrm{347}}^1\times {\mathrm{349}}^1$

素因数の和:720

約数の個数: 72

約数和(自身を含む): 437383800

約数和(自身を除く): 247494296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 347, 349, 392, 694, 698, 784, 1388, 1396, 1568, 2429, 2443, 2776, 2792, 4858, 4886, 5552, 5584, 9716, 9772, 11104, 11168, 17003, 17101, 19432, 19544, 34006, 34202, 38864, 39088, 68012, 68404, 77728, 78176, 121103, 136024, 136808, 242206, 272048, 273616, 484412, 544096, 547232, 847721, 968824, 1695442, 1937648, 3390884, 3875296, 5934047, 6781768, 11868094, 13563536, 23736188, 27127072, 47472376, 94944752, 189889504]

約数ペア:

[(1, 189889504), (2, 94944752), (4, 47472376), (7, 27127072), (8, 23736188), (14, 13563536), (16, 11868094), (28, 6781768), (32, 5934047), (49, 3875296), (56, 3390884), (98, 1937648), (112, 1695442), (196, 968824), (224, 847721), (347, 547232), (349, 544096), (392, 484412), (694, 273616), (698, 272048), (784, 242206), (1388, 136808), (1396, 136024), (1568, 121103), (2429, 78176), (2443, 77728), (2776, 68404), (2792, 68012), (4858, 39088), (4886, 38864), (5552, 34202), (5584, 34006), (9716, 19544), (9772, 19432), (11104, 17101), (11168, 17003)]