2989140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 10450944

約数和(自身を除く): 7461804

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 647, 660, 770, 924, 1155, 1294, 1540, 1941, 2310, 2588, 3235, 3882, 4529, 4620, 6470, 7117, 7764, 9058, 9705, 12940, 13587, 14234, 18116, 19410, 21351, 22645, 27174, 28468, 35585, 38820, 42702, 45290, 49819, 54348, 67935, 71170, 85404, 90580, 99638, 106755, 135870, 142340, 149457, 199276, 213510, 249095, 271740, 298914, 427020, 498190, 597828, 747285, 996380, 1494570, 2989140]

約数ペア:

[(1, 2989140), (2, 1494570), (3, 996380), (4, 747285), (5, 597828), (6, 498190), (7, 427020), (10, 298914), (11, 271740), (12, 249095), (14, 213510), (15, 199276), (20, 149457), (21, 142340), (22, 135870), (28, 106755), (30, 99638), (33, 90580), (35, 85404), (42, 71170), (44, 67935), (55, 54348), (60, 49819), (66, 45290), (70, 42702), (77, 38820), (84, 35585), (105, 28468), (110, 27174), (132, 22645), (140, 21351), (154, 19410), (165, 18116), (210, 14234), (220, 13587), (231, 12940), (308, 9705), (330, 9058), (385, 7764), (420, 7117), (462, 6470), (647, 4620), (660, 4529), (770, 3882), (924, 3235), (1155, 2588), (1294, 2310), (1540, 1941)]