212314620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{505511}}^1$

素因数の和:505530

約数の個数: 48

約数和(自身を含む): 679408128

約数和(自身を除く): 467093508

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, 505511, 1011022, 1516533, 2022044, 2527555, 3033066, 3538577, 5055110, 6066132, 7077154, 7582665, 10110220, 10615731, 14154308, 15165330, 17692885, 21231462, 30330660, 35385770, 42462924, 53078655, 70771540, 106157310, 212314620]

約数ペア:

[(1, 212314620), (2, 106157310), (3, 70771540), (4, 53078655), (5, 42462924), (6, 35385770), (7, 30330660), (10, 21231462), (12, 17692885), (14, 15165330), (15, 14154308), (20, 10615731), (21, 10110220), (28, 7582665), (30, 7077154), (35, 6066132), (42, 5055110), (60, 3538577), (70, 3033066), (84, 2527555), (105, 2022044), (140, 1516533), (210, 1011022), (420, 505511)]