18144200

素因数分解:

$2^3\times 5^2\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 42469380

約数和(自身を除く): 24325180

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 257, 353, 514, 706, 1028, 1285, 1412, 1765, 2056, 2570, 2824, 3530, 5140, 6425, 7060, 8825, 10280, 12850, 14120, 17650, 25700, 35300, 51400, 70600, 90721, 181442, 362884, 453605, 725768, 907210, 1814420, 2268025, 3628840, 4536050, 9072100, 18144200]

約数ペア:

[(1, 18144200), (2, 9072100), (4, 4536050), (5, 3628840), (8, 2268025), (10, 1814420), (20, 907210), (25, 725768), (40, 453605), (50, 362884), (100, 181442), (200, 90721), (257, 70600), (353, 51400), (514, 35300), (706, 25700), (1028, 17650), (1285, 14120), (1412, 12850), (1765, 10280), (2056, 8825), (2570, 7060), (2824, 6425), (3530, 5140)]