239913280

素因数分解:

$2^6\times 5^1\times {\mathrm{749729}}^1$

素因数の和:749746

約数の個数: 28

約数和(自身を含む): 571294260

約数和(自身を除く): 331380980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 749729, 1499458, 2998916, 3748645, 5997832, 7497290, 11995664, 14994580, 23991328, 29989160, 47982656, 59978320, 119956640, 239913280]

約数ペア:

[(1, 239913280), (2, 119956640), (4, 59978320), (5, 47982656), (8, 29989160), (10, 23991328), (16, 14994580), (20, 11995664), (32, 7497290), (40, 5997832), (64, 3748645), (80, 2998916), (160, 1499458), (320, 749729)]