172644140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{547}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 372675072

約数和(自身を除く): 200030932

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 367, 430, 547, 734, 860, 1094, 1468, 1835, 2188, 2735, 3670, 5470, 7340, 10940, 15781, 23521, 31562, 47042, 63124, 78905, 94084, 117605, 157810, 200749, 235210, 315620, 401498, 470420, 802996, 1003745, 2007490, 4014980, 8632207, 17264414, 34528828, 43161035, 86322070, 172644140]

約数ペア:

[(1, 172644140), (2, 86322070), (4, 43161035), (5, 34528828), (10, 17264414), (20, 8632207), (43, 4014980), (86, 2007490), (172, 1003745), (215, 802996), (367, 470420), (430, 401498), (547, 315620), (734, 235210), (860, 200749), (1094, 157810), (1468, 117605), (1835, 94084), (2188, 78905), (2735, 63124), (3670, 47042), (5470, 31562), (7340, 23521), (10940, 15781)]