208088720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{371587}}^1$

素因数の和:371607

約数の個数: 40

約数和(自身を含む): 552922944

約数和(自身を除く): 344834224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 371587, 743174, 1486348, 1857935, 2601109, 2972696, 3715870, 5202218, 5945392, 7431740, 10404436, 13005545, 14863480, 20808872, 26011090, 29726960, 41617744, 52022180, 104044360, 208088720]

約数ペア:

[(1, 208088720), (2, 104044360), (4, 52022180), (5, 41617744), (7, 29726960), (8, 26011090), (10, 20808872), (14, 14863480), (16, 13005545), (20, 10404436), (28, 7431740), (35, 5945392), (40, 5202218), (56, 3715870), (70, 2972696), (80, 2601109), (112, 1857935), (140, 1486348), (280, 743174), (560, 371587)]