219507540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{522637}}^1$

素因数の和:522656

約数の個数: 48

約数和(自身を含む): 702425472

約数和(自身を除く): 482917932

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, 522637, 1045274, 1567911, 2090548, 2613185, 3135822, 3658459, 5226370, 6271644, 7316918, 7839555, 10452740, 10975377, 14633836, 15679110, 18292295, 21950754, 31358220, 36584590, 43901508, 54876885, 73169180, 109753770, 219507540]

約数ペア:

[(1, 219507540), (2, 109753770), (3, 73169180), (4, 54876885), (5, 43901508), (6, 36584590), (7, 31358220), (10, 21950754), (12, 18292295), (14, 15679110), (15, 14633836), (20, 10975377), (21, 10452740), (28, 7839555), (30, 7316918), (35, 6271644), (42, 5226370), (60, 3658459), (70, 3135822), (84, 2613185), (105, 2090548), (140, 1567911), (210, 1045274), (420, 522637)]