165307540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{1109}}^1$

素因数の和:1404

約数の個数: 48

約数和(自身を含む): 360838800

約数和(自身を除く): 195531260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 257, 290, 514, 580, 1028, 1109, 1285, 2218, 2570, 4436, 5140, 5545, 7453, 11090, 14906, 22180, 29812, 32161, 37265, 64322, 74530, 128644, 149060, 160805, 285013, 321610, 570026, 643220, 1140052, 1425065, 2850130, 5700260, 8265377, 16530754, 33061508, 41326885, 82653770, 165307540]

約数ペア:

[(1, 165307540), (2, 82653770), (4, 41326885), (5, 33061508), (10, 16530754), (20, 8265377), (29, 5700260), (58, 2850130), (116, 1425065), (145, 1140052), (257, 643220), (290, 570026), (514, 321610), (580, 285013), (1028, 160805), (1109, 149060), (1285, 128644), (2218, 74530), (2570, 64322), (4436, 37265), (5140, 32161), (5545, 29812), (7453, 22180), (11090, 14906)]