1392740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 2963520

約数和(自身を除く): 1570780

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 839, 1660, 1678, 3356, 4195, 8390, 16780, 69637, 139274, 278548, 348185, 696370, 1392740]

約数ペア:

[(1, 1392740), (2, 696370), (4, 348185), (5, 278548), (10, 139274), (20, 69637), (83, 16780), (166, 8390), (332, 4195), (415, 3356), (830, 1678), (839, 1660)]