138666440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3797}}^1$

素因数の和:3902

約数の個数: 64

約数和(自身を含む): 344554560

約数和(自身を除く): 205888120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 83, 88, 110, 166, 220, 332, 415, 440, 664, 830, 913, 1660, 1826, 3320, 3652, 3797, 4565, 7304, 7594, 9130, 15188, 18260, 18985, 30376, 36520, 37970, 41767, 75940, 83534, 151880, 167068, 208835, 315151, 334136, 417670, 630302, 835340, 1260604, 1575755, 1670680, 2521208, 3151510, 3466661, 6303020, 6933322, 12606040, 13866644, 17333305, 27733288, 34666610, 69333220, 138666440]

約数ペア:

[(1, 138666440), (2, 69333220), (4, 34666610), (5, 27733288), (8, 17333305), (10, 13866644), (11, 12606040), (20, 6933322), (22, 6303020), (40, 3466661), (44, 3151510), (55, 2521208), (83, 1670680), (88, 1575755), (110, 1260604), (166, 835340), (220, 630302), (332, 417670), (415, 334136), (440, 315151), (664, 208835), (830, 167068), (913, 151880), (1660, 83534), (1826, 75940), (3320, 41767), (3652, 37970), (3797, 36520), (4565, 30376), (7304, 18985), (7594, 18260), (9130, 15188)]