209969270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{4457}}^1$

素因数の和:5144

約数の個数: 32

約数和(自身を含む): 432675648

約数和(自身を除く): 222706378

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 673, 1346, 3365, 4457, 4711, 6730, 8914, 9422, 22285, 23555, 31199, 44570, 47110, 62398, 155995, 311990, 2999561, 5999122, 14997805, 20996927, 29995610, 41993854, 104984635, 209969270]

約数ペア:

[(1, 209969270), (2, 104984635), (5, 41993854), (7, 29995610), (10, 20996927), (14, 14997805), (35, 5999122), (70, 2999561), (673, 311990), (1346, 155995), (3365, 62398), (4457, 47110), (4711, 44570), (6730, 31199), (8914, 23555), (9422, 22285)]