19991300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28559}}^1$

素因数の和:28580

約数の個数: 36

約数和(自身を含む): 49580160

約数和(自身を除く): 29588860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28559, 57118, 114236, 142795, 199913, 285590, 399826, 571180, 713975, 799652, 999565, 1427950, 1999130, 2855900, 3998260, 4997825, 9995650, 19991300]

約数ペア:

[(1, 19991300), (2, 9995650), (4, 4997825), (5, 3998260), (7, 2855900), (10, 1999130), (14, 1427950), (20, 999565), (25, 799652), (28, 713975), (35, 571180), (50, 399826), (70, 285590), (100, 199913), (140, 142795), (175, 114236), (350, 57118), (700, 28559)]