181505380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1296467}}^1$

素因数の和:1296483

約数の個数: 24

約数和(自身を含む): 435613248

約数和(自身を除く): 254107868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1296467, 2592934, 5185868, 6482335, 9075269, 12964670, 18150538, 25929340, 36301076, 45376345, 90752690, 181505380]

約数ペア:

[(1, 181505380), (2, 90752690), (4, 45376345), (5, 36301076), (7, 25929340), (10, 18150538), (14, 12964670), (20, 9075269), (28, 6482335), (35, 5185868), (70, 2592934), (140, 1296467)]