291266540

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{128879}}^1$

素因数の和:129001

約数の個数: 24

約数和(自身を含む): 617077440

約数和(自身を除く): 325810900

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 128879, 257758, 515516, 644395, 1288790, 2577580, 14563327, 29126654, 58253308, 72816635, 145633270, 291266540]

約数ペア:

[(1, 291266540), (2, 145633270), (4, 72816635), (5, 58253308), (10, 29126654), (20, 14563327), (113, 2577580), (226, 1288790), (452, 644395), (565, 515516), (1130, 257758), (2260, 128879)]