12112900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1361}}^1$

素因数の和:1464

約数の個数: 36

約数和(自身を含む): 26599860

約数和(自身を除く): 14486960

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1361, 1780, 2225, 2722, 4450, 5444, 6805, 8900, 13610, 27220, 34025, 68050, 121129, 136100, 242258, 484516, 605645, 1211290, 2422580, 3028225, 6056450, 12112900]

約数ペア:

[(1, 12112900), (2, 6056450), (4, 3028225), (5, 2422580), (10, 1211290), (20, 605645), (25, 484516), (50, 242258), (89, 136100), (100, 121129), (178, 68050), (356, 34025), (445, 27220), (890, 13610), (1361, 8900), (1780, 6805), (2225, 5444), (2722, 4450)]