219874620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{523511}}^1$

素因数の和:523530

約数の個数: 48

約数和(自身を含む): 703600128

約数和(自身を除く): 483725508

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, 523511, 1047022, 1570533, 2094044, 2617555, 3141066, 3664577, 5235110, 6282132, 7329154, 7852665, 10470220, 10993731, 14658308, 15705330, 18322885, 21987462, 31410660, 36645770, 43974924, 54968655, 73291540, 109937310, 219874620]

約数ペア:

[(1, 219874620), (2, 109937310), (3, 73291540), (4, 54968655), (5, 43974924), (6, 36645770), (7, 31410660), (10, 21987462), (12, 18322885), (14, 15705330), (15, 14658308), (20, 10993731), (21, 10470220), (28, 7852665), (30, 7329154), (35, 6282132), (42, 5235110), (60, 3664577), (70, 3141066), (84, 2617555), (105, 2094044), (140, 1570533), (210, 1047022), (420, 523511)]