211671708520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1\times {\mathrm{144061}}^1$

素因数の和:144518

約数の個数: 64

約数和(自身を含む): 482060264400

約数和(自身を除く): 270388555880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 337, 436, 545, 674, 872, 1090, 1348, 1685, 2180, 2696, 3370, 4360, 6740, 13480, 36733, 73466, 144061, 146932, 183665, 288122, 293864, 367330, 576244, 720305, 734660, 1152488, 1440610, 1469320, 2881220, 5762440, 15702649, 31405298, 48548557, 62810596, 78513245, 97097114, 125621192, 157026490, 194194228, 242742785, 314052980, 388388456, 485485570, 628105960, 970971140, 1941942280, 5291792713, 10583585426, 21167170852, 26458963565, 42334341704, 52917927130, 105835854260, 211671708520]

約数ペア:

[(1, 211671708520), (2, 105835854260), (4, 52917927130), (5, 42334341704), (8, 26458963565), (10, 21167170852), (20, 10583585426), (40, 5291792713), (109, 1941942280), (218, 970971140), (337, 628105960), (436, 485485570), (545, 388388456), (674, 314052980), (872, 242742785), (1090, 194194228), (1348, 157026490), (1685, 125621192), (2180, 97097114), (2696, 78513245), (3370, 62810596), (4360, 48548557), (6740, 31405298), (13480, 15702649), (36733, 5762440), (73466, 2881220), (144061, 1469320), (146932, 1440610), (183665, 1152488), (288122, 734660), (293864, 720305), (367330, 576244)]