12157400

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{683}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 28625400

約数和(自身を除く): 16468000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 683, 712, 890, 1366, 1780, 2225, 2732, 3415, 3560, 4450, 5464, 6830, 8900, 13660, 17075, 17800, 27320, 34150, 60787, 68300, 121574, 136600, 243148, 303935, 486296, 607870, 1215740, 1519675, 2431480, 3039350, 6078700, 12157400]

約数ペア:

[(1, 12157400), (2, 6078700), (4, 3039350), (5, 2431480), (8, 1519675), (10, 1215740), (20, 607870), (25, 486296), (40, 303935), (50, 243148), (89, 136600), (100, 121574), (178, 68300), (200, 60787), (356, 34150), (445, 27320), (683, 17800), (712, 17075), (890, 13660), (1366, 8900), (1780, 6830), (2225, 5464), (2732, 4450), (3415, 3560)]