1386657440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1238087}}^1$

素因数の和:1238109

約数の個数: 48

約数和(自身を含む): 3743978112

約数和(自身を除く): 2357320672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1238087, 2476174, 4952348, 6190435, 8666609, 9904696, 12380870, 17333218, 19809392, 24761740, 34666436, 39618784, 43333045, 49523480, 69332872, 86666090, 99046960, 138665744, 173332180, 198093920, 277331488, 346664360, 693328720, 1386657440]

約数ペア:

[(1, 1386657440), (2, 693328720), (4, 346664360), (5, 277331488), (7, 198093920), (8, 173332180), (10, 138665744), (14, 99046960), (16, 86666090), (20, 69332872), (28, 49523480), (32, 43333045), (35, 39618784), (40, 34666436), (56, 24761740), (70, 19809392), (80, 17333218), (112, 12380870), (140, 9904696), (160, 8666609), (224, 6190435), (280, 4952348), (560, 2476174), (1120, 1238087)]