66899140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43441}}^1$

素因数の和:43468

約数の個数: 48

約数和(自身を含む): 175158144

約数和(自身を除く): 108259004

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 43441, 86882, 173764, 217205, 304087, 434410, 477851, 608174, 868820, 955702, 1216348, 1520435, 1911404, 2389255, 3040870, 3344957, 4778510, 6081740, 6689914, 9557020, 13379828, 16724785, 33449570, 66899140]

約数ペア:

[(1, 66899140), (2, 33449570), (4, 16724785), (5, 13379828), (7, 9557020), (10, 6689914), (11, 6081740), (14, 4778510), (20, 3344957), (22, 3040870), (28, 2389255), (35, 1911404), (44, 1520435), (55, 1216348), (70, 955702), (77, 868820), (110, 608174), (140, 477851), (154, 434410), (220, 304087), (308, 217205), (385, 173764), (770, 86882), (1540, 43441)]