2980940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1319}}^1$

素因数の和:1441

約数の個数: 24

約数和(自身を含む): 6320160

約数和(自身を除く): 3339220

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 1319, 2260, 2638, 5276, 6595, 13190, 26380, 149047, 298094, 596188, 745235, 1490470, 2980940]

約数ペア:

[(1, 2980940), (2, 1490470), (4, 745235), (5, 596188), (10, 298094), (20, 149047), (113, 26380), (226, 13190), (452, 6595), (565, 5276), (1130, 2638), (1319, 2260)]