2678740

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{887}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 5668992

約数和(自身を除く): 2990252

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 887, 1510, 1774, 3020, 3548, 4435, 8870, 17740, 133937, 267874, 535748, 669685, 1339370, 2678740]

約数ペア:

[(1, 2678740), (2, 1339370), (4, 669685), (5, 535748), (10, 267874), (20, 133937), (151, 17740), (302, 8870), (604, 4435), (755, 3548), (887, 3020), (1510, 1774)]