194890880

素因数分解:

$2^7\times 5^1\times {\mathrm{304517}}^1$

素因数の和:304536

約数の個数: 32

約数和(自身を含む): 465912540

約数和(自身を除く): 271021660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 304517, 609034, 1218068, 1522585, 2436136, 3045170, 4872272, 6090340, 9744544, 12180680, 19489088, 24361360, 38978176, 48722720, 97445440, 194890880]

約数ペア:

[(1, 194890880), (2, 97445440), (4, 48722720), (5, 38978176), (8, 24361360), (10, 19489088), (16, 12180680), (20, 9744544), (32, 6090340), (40, 4872272), (64, 3045170), (80, 2436136), (128, 1522585), (160, 1218068), (320, 609034), (640, 304517)]