258785940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{616157}}^1$

素因数の和:616176

約数の個数: 48

約数和(自身を含む): 828116352

約数和(自身を除く): 569330412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 616157, 1232314, 1848471, 2464628, 3080785, 3696942, 4313099, 6161570, 7393884, 8626198, 9242355, 12323140, 12939297, 17252396, 18484710, 21565495, 25878594, 36969420, 43130990, 51757188, 64696485, 86261980, 129392970, 258785940]

約数ペア:

[(1, 258785940), (2, 129392970), (3, 86261980), (4, 64696485), (5, 51757188), (6, 43130990), (7, 36969420), (10, 25878594), (12, 21565495), (14, 18484710), (15, 17252396), (20, 12939297), (21, 12323140), (28, 9242355), (30, 8626198), (35, 7393884), (42, 6161570), (60, 4313099), (70, 3696942), (84, 3080785), (105, 2464628), (140, 1848471), (210, 1232314), (420, 616157)]