1687220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2909}}^1$

素因数の和:2947

約数の個数: 24

約数和(自身を含む): 3666600

約数和(自身を除く): 1979380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 2909, 5818, 11636, 14545, 29090, 58180, 84361, 168722, 337444, 421805, 843610, 1687220]

約数ペア:

[(1, 1687220), (2, 843610), (4, 421805), (5, 337444), (10, 168722), (20, 84361), (29, 58180), (58, 29090), (116, 14545), (145, 11636), (290, 5818), (580, 2909)]