205628240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:724

約数の個数: 80

約数和(自身を含む): 495777792

約数和(自身を除く): 290149552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 127, 148, 185, 254, 296, 370, 508, 547, 592, 635, 740, 1016, 1094, 1270, 1480, 2032, 2188, 2540, 2735, 2960, 4376, 4699, 5080, 5470, 8752, 9398, 10160, 10940, 18796, 20239, 21880, 23495, 37592, 40478, 43760, 46990, 69469, 75184, 80956, 93980, 101195, 138938, 161912, 187960, 202390, 277876, 323824, 347345, 375920, 404780, 555752, 694690, 809560, 1111504, 1389380, 1619120, 2570353, 2778760, 5140706, 5557520, 10281412, 12851765, 20562824, 25703530, 41125648, 51407060, 102814120, 205628240]

約数ペア:

[(1, 205628240), (2, 102814120), (4, 51407060), (5, 41125648), (8, 25703530), (10, 20562824), (16, 12851765), (20, 10281412), (37, 5557520), (40, 5140706), (74, 2778760), (80, 2570353), (127, 1619120), (148, 1389380), (185, 1111504), (254, 809560), (296, 694690), (370, 555752), (508, 404780), (547, 375920), (592, 347345), (635, 323824), (740, 277876), (1016, 202390), (1094, 187960), (1270, 161912), (1480, 138938), (2032, 101195), (2188, 93980), (2540, 80956), (2735, 75184), (2960, 69469), (4376, 46990), (4699, 43760), (5080, 40478), (5470, 37592), (8752, 23495), (9398, 21880), (10160, 20239), (10940, 18796)]