339930780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{809359}}^1$

素因数の和:809378

約数の個数: 48

約数和(自身を含む): 1087779840

約数和(自身を除く): 747849060

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, 809359, 1618718, 2428077, 3237436, 4046795, 4856154, 5665513, 8093590, 9712308, 11331026, 12140385, 16187180, 16996539, 22662052, 24280770, 28327565, 33993078, 48561540, 56655130, 67986156, 84982695, 113310260, 169965390, 339930780]

約数ペア:

[(1, 339930780), (2, 169965390), (3, 113310260), (4, 84982695), (5, 67986156), (6, 56655130), (7, 48561540), (10, 33993078), (12, 28327565), (14, 24280770), (15, 22662052), (20, 16996539), (21, 16187180), (28, 12140385), (30, 11331026), (35, 9712308), (42, 8093590), (60, 5665513), (70, 4856154), (84, 4046795), (105, 3237436), (140, 2428077), (210, 1618718), (420, 809359)]