27228980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 59270400

約数和(自身を除く): 32041420

約数列:

[1, 2, 4, 5, 10, 20, 47, 83, 94, 166, 188, 235, 332, 349, 415, 470, 698, 830, 940, 1396, 1660, 1745, 3490, 3901, 6980, 7802, 15604, 16403, 19505, 28967, 32806, 39010, 57934, 65612, 78020, 82015, 115868, 144835, 164030, 289670, 328060, 579340, 1361449, 2722898, 5445796, 6807245, 13614490, 27228980]

約数ペア:

[(1, 27228980), (2, 13614490), (4, 6807245), (5, 5445796), (10, 2722898), (20, 1361449), (47, 579340), (83, 328060), (94, 289670), (166, 164030), (188, 144835), (235, 115868), (332, 82015), (349, 78020), (415, 65612), (470, 57934), (698, 39010), (830, 32806), (940, 28967), (1396, 19505), (1660, 16403), (1745, 15604), (3490, 7802), (3901, 6980)]