199593280

素因数分解:

$2^6\times 5^1\times {\mathrm{623729}}^1$

素因数の和:623746

約数の個数: 28

約数和(自身を含む): 475282260

約数和(自身を除く): 275688980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 623729, 1247458, 2494916, 3118645, 4989832, 6237290, 9979664, 12474580, 19959328, 24949160, 39918656, 49898320, 99796640, 199593280]

約数ペア:

[(1, 199593280), (2, 99796640), (4, 49898320), (5, 39918656), (8, 24949160), (10, 19959328), (16, 12474580), (20, 9979664), (32, 6237290), (40, 4989832), (64, 3118645), (80, 2494916), (160, 1247458), (320, 623729)]