194957420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1392553}}^1$

素因数の和:1392569

約数の個数: 24

約数和(自身を含む): 467898144

約数和(自身を除く): 272940724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1392553, 2785106, 5570212, 6962765, 9747871, 13925530, 19495742, 27851060, 38991484, 48739355, 97478710, 194957420]

約数ペア:

[(1, 194957420), (2, 97478710), (4, 48739355), (5, 38991484), (7, 27851060), (10, 19495742), (14, 13925530), (20, 9747871), (28, 6962765), (35, 5570212), (70, 2785106), (140, 1392553)]