71904140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{46691}}^1$

素因数の和:46718

約数の個数: 48

約数和(自身を含む): 188262144

約数和(自身を除く): 116358004

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, 46691, 93382, 186764, 233455, 326837, 466910, 513601, 653674, 933820, 1027202, 1307348, 1634185, 2054404, 2568005, 3268370, 3595207, 5136010, 6536740, 7190414, 10272020, 14380828, 17976035, 35952070, 71904140]

約数ペア:

[(1, 71904140), (2, 35952070), (4, 17976035), (5, 14380828), (7, 10272020), (10, 7190414), (11, 6536740), (14, 5136010), (20, 3595207), (22, 3268370), (28, 2568005), (35, 2054404), (44, 1634185), (55, 1307348), (70, 1027202), (77, 933820), (110, 653674), (140, 513601), (154, 466910), (220, 326837), (308, 233455), (385, 186764), (770, 93382), (1540, 46691)]