400824208

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{125887}}^1$

素因数の和:126094

約数の個数: 20

約数和(自身を含む): 780505600

約数和(自身を除く): 379681392

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 125887, 251774, 503548, 1007096, 2014192, 25051513, 50103026, 100206052, 200412104, 400824208]

約数ペア:

[(1, 400824208), (2, 200412104), (4, 100206052), (8, 50103026), (16, 25051513), (199, 2014192), (398, 1007096), (796, 503548), (1592, 251774), (3184, 125887)]