1290650

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:406

約数の個数: 24

約数和(自身を含む): 2437344

約数和(自身を除く): 1146694

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 311, 415, 622, 830, 1555, 2075, 3110, 4150, 7775, 15550, 25813, 51626, 129065, 258130, 645325, 1290650]

約数ペア:

[(1, 1290650), (2, 645325), (5, 258130), (10, 129065), (25, 51626), (50, 25813), (83, 15550), (166, 7775), (311, 4150), (415, 3110), (622, 2075), (830, 1555)]