2185778840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127973}}^1$

素因数の和:128052

約数の個数: 64

約数和(自身を含む): 5712759360

約数和(自身を除く): 3526980520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 8540, 17080, 127973, 255946, 511892, 639865, 895811, 1023784, 1279730, 1791622, 2559460, 3583244, 4479055, 5118920, 7166488, 7806353, 8958110, 15612706, 17916220, 31225412, 35832440, 39031765, 54644471, 62450824, 78063530, 109288942, 156127060, 218577884, 273222355, 312254120, 437155768, 546444710, 1092889420, 2185778840]

約数ペア:

[(1, 2185778840), (2, 1092889420), (4, 546444710), (5, 437155768), (7, 312254120), (8, 273222355), (10, 218577884), (14, 156127060), (20, 109288942), (28, 78063530), (35, 62450824), (40, 54644471), (56, 39031765), (61, 35832440), (70, 31225412), (122, 17916220), (140, 15612706), (244, 8958110), (280, 7806353), (305, 7166488), (427, 5118920), (488, 4479055), (610, 3583244), (854, 2559460), (1220, 1791622), (1708, 1279730), (2135, 1023784), (2440, 895811), (3416, 639865), (4270, 511892), (8540, 255946), (17080, 127973)]