123188240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{219979}}^1$

素因数の和:219999

約数の個数: 40

約数和(自身を含む): 327330240

約数和(自身を除く): 204142000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 219979, 439958, 879916, 1099895, 1539853, 1759832, 2199790, 3079706, 3519664, 4399580, 6159412, 7699265, 8799160, 12318824, 15398530, 17598320, 24637648, 30797060, 61594120, 123188240]

約数ペア:

[(1, 123188240), (2, 61594120), (4, 30797060), (5, 24637648), (7, 17598320), (8, 15398530), (10, 12318824), (14, 8799160), (16, 7699265), (20, 6159412), (28, 4399580), (35, 3519664), (40, 3079706), (56, 2199790), (70, 1759832), (80, 1539853), (112, 1099895), (140, 879916), (280, 439958), (560, 219979)]