78818140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2477}}^1$

素因数の和:2566

約数の個数: 48

約数和(自身を含む): 174015072

約数和(自身を除く): 95196932

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 1591, 2477, 3182, 4954, 6364, 7955, 9908, 12385, 15910, 24770, 31820, 49540, 91649, 106511, 183298, 213022, 366596, 426044, 458245, 532555, 916490, 1065110, 1832980, 2130220, 3940907, 7881814, 15763628, 19704535, 39409070, 78818140]

約数ペア:

[(1, 78818140), (2, 39409070), (4, 19704535), (5, 15763628), (10, 7881814), (20, 3940907), (37, 2130220), (43, 1832980), (74, 1065110), (86, 916490), (148, 532555), (172, 458245), (185, 426044), (215, 366596), (370, 213022), (430, 183298), (740, 106511), (860, 91649), (1591, 49540), (2477, 31820), (3182, 24770), (4954, 15910), (6364, 12385), (7955, 9908)]