218065540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{141601}}^1$

素因数の和:141628

約数の個数: 48

約数和(自身を含む): 570939264

約数和(自身を除く): 352873724

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 141601, 283202, 566404, 708005, 991207, 1416010, 1557611, 1982414, 2832020, 3115222, 3964828, 4956035, 6230444, 7788055, 9912070, 10903277, 15576110, 19824140, 21806554, 31152220, 43613108, 54516385, 109032770, 218065540]

約数ペア:

[(1, 218065540), (2, 109032770), (4, 54516385), (5, 43613108), (7, 31152220), (10, 21806554), (11, 19824140), (14, 15576110), (20, 10903277), (22, 9912070), (28, 7788055), (35, 6230444), (44, 4956035), (55, 3964828), (70, 3115222), (77, 2832020), (110, 1982414), (140, 1557611), (154, 1416010), (220, 991207), (308, 708005), (385, 566404), (770, 283202), (1540, 141601)]