420792020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{4241}}^1$

素因数の和:4313

約数の個数: 72

約数和(自身を含む): 995224104

約数和(自身を除く): 574432084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 121, 164, 205, 220, 242, 410, 451, 484, 605, 820, 902, 1210, 1804, 2255, 2420, 4241, 4510, 4961, 8482, 9020, 9922, 16964, 19844, 21205, 24805, 42410, 46651, 49610, 84820, 93302, 99220, 173881, 186604, 233255, 347762, 466510, 513161, 695524, 869405, 933020, 1026322, 1738810, 1912691, 2052644, 2565805, 3477620, 3825382, 5131610, 7650764, 9563455, 10263220, 19126910, 21039601, 38253820, 42079202, 84158404, 105198005, 210396010, 420792020]

約数ペア:

[(1, 420792020), (2, 210396010), (4, 105198005), (5, 84158404), (10, 42079202), (11, 38253820), (20, 21039601), (22, 19126910), (41, 10263220), (44, 9563455), (55, 7650764), (82, 5131610), (110, 3825382), (121, 3477620), (164, 2565805), (205, 2052644), (220, 1912691), (242, 1738810), (410, 1026322), (451, 933020), (484, 869405), (605, 695524), (820, 513161), (902, 466510), (1210, 347762), (1804, 233255), (2255, 186604), (2420, 173881), (4241, 99220), (4510, 93302), (4961, 84820), (8482, 49610), (9020, 46651), (9922, 42410), (16964, 24805), (19844, 21205)]