205440280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1093}}^1$

素因数の和:1268

約数の個数: 64

約数和(自身を含む): 478909440

約数和(自身を除く): 273469160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 127, 148, 185, 254, 296, 370, 508, 635, 740, 1016, 1093, 1270, 1480, 2186, 2540, 4372, 4699, 5080, 5465, 8744, 9398, 10930, 18796, 21860, 23495, 37592, 40441, 43720, 46990, 80882, 93980, 138811, 161764, 187960, 202205, 277622, 323528, 404410, 555244, 694055, 808820, 1110488, 1388110, 1617640, 2776220, 5136007, 5552440, 10272014, 20544028, 25680035, 41088056, 51360070, 102720140, 205440280]

約数ペア:

[(1, 205440280), (2, 102720140), (4, 51360070), (5, 41088056), (8, 25680035), (10, 20544028), (20, 10272014), (37, 5552440), (40, 5136007), (74, 2776220), (127, 1617640), (148, 1388110), (185, 1110488), (254, 808820), (296, 694055), (370, 555244), (508, 404410), (635, 323528), (740, 277622), (1016, 202205), (1093, 187960), (1270, 161764), (1480, 138811), (2186, 93980), (2540, 80882), (4372, 46990), (4699, 43720), (5080, 40441), (5465, 37592), (8744, 23495), (9398, 21860), (10930, 18796)]