396290840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19163}}^1$

素因数の和:19232

約数の個数: 64

約数和(自身を含む): 993461760

約数和(自身を除く): 597170920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 4136, 5170, 10340, 19163, 20680, 38326, 76652, 95815, 153304, 191630, 210793, 383260, 421586, 766520, 843172, 900661, 1053965, 1686344, 1801322, 2107930, 3602644, 4215860, 4503305, 7205288, 8431720, 9006610, 9907271, 18013220, 19814542, 36026440, 39629084, 49536355, 79258168, 99072710, 198145420, 396290840]

約数ペア:

[(1, 396290840), (2, 198145420), (4, 99072710), (5, 79258168), (8, 49536355), (10, 39629084), (11, 36026440), (20, 19814542), (22, 18013220), (40, 9907271), (44, 9006610), (47, 8431720), (55, 7205288), (88, 4503305), (94, 4215860), (110, 3602644), (188, 2107930), (220, 1801322), (235, 1686344), (376, 1053965), (440, 900661), (470, 843172), (517, 766520), (940, 421586), (1034, 383260), (1880, 210793), (2068, 191630), (2585, 153304), (4136, 95815), (5170, 76652), (10340, 38326), (19163, 20680)]