249804980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{175919}}^1$

素因数の和:175999

約数の個数: 24

約数和(自身を含む): 531982080

約数和(自身を除く): 282177100

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 175919, 351838, 703676, 879595, 1759190, 3518380, 12490249, 24980498, 49960996, 62451245, 124902490, 249804980]

約数ペア:

[(1, 249804980), (2, 124902490), (4, 62451245), (5, 49960996), (10, 24980498), (20, 12490249), (71, 3518380), (142, 1759190), (284, 879595), (355, 703676), (710, 351838), (1420, 175919)]