209831480

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{10429}}^1$

素因数の和:10943

約数の個数: 32

約数和(自身を含む): 473104800

約数和(自身を除く): 263273320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 10060, 10429, 20120, 20858, 41716, 52145, 83432, 104290, 208580, 417160, 5245787, 10491574, 20983148, 26228935, 41966296, 52457870, 104915740, 209831480]

約数ペア:

[(1, 209831480), (2, 104915740), (4, 52457870), (5, 41966296), (8, 26228935), (10, 20983148), (20, 10491574), (40, 5245787), (503, 417160), (1006, 208580), (2012, 104290), (2515, 83432), (4024, 52145), (5030, 41716), (10060, 20858), (10429, 20120)]