826980420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1969001}}^1$

素因数の和:1969020

約数の個数: 48

約数和(自身を含む): 2646338688

約数和(自身を除く): 1819358268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1969001, 3938002, 5907003, 7876004, 9845005, 11814006, 13783007, 19690010, 23628012, 27566014, 29535015, 39380020, 41349021, 55132028, 59070030, 68915035, 82698042, 118140060, 137830070, 165396084, 206745105, 275660140, 413490210, 826980420]

約数ペア:

[(1, 826980420), (2, 413490210), (3, 275660140), (4, 206745105), (5, 165396084), (6, 137830070), (7, 118140060), (10, 82698042), (12, 68915035), (14, 59070030), (15, 55132028), (20, 41349021), (21, 39380020), (28, 29535015), (30, 27566014), (35, 23628012), (42, 19690010), (60, 13783007), (70, 11814006), (84, 9845005), (105, 7876004), (140, 5907003), (210, 3938002), (420, 1969001)]