209749677985

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{1361}}^1\times {\mathrm{3863}}^1$

素因数の和:5409

約数の個数: 32

約数和(自身を含む): 257665121280

約数和(自身を除く): 47915443295

約数列:

[1, 5, 79, 101, 395, 505, 1361, 3863, 6805, 7979, 19315, 39895, 107519, 137461, 305177, 390163, 537595, 687305, 1525885, 1950815, 5257543, 10859419, 26287715, 30822877, 54297095, 154114385, 415345897, 531011843, 2076729485, 2655059215, 41949935597, 209749677985]

約数ペア:

[(1, 209749677985), (5, 41949935597), (79, 2655059215), (101, 2076729485), (395, 531011843), (505, 415345897), (1361, 154114385), (3863, 54297095), (6805, 30822877), (7979, 26287715), (19315, 10859419), (39895, 5257543), (107519, 1950815), (137461, 1525885), (305177, 687305), (390163, 537595)]