178830980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9041}}^1$

素因数の和:9116

約数の個数: 48

約数和(自身を含む): 401030784

約数和(自身を除く): 222199804

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4945, 9041, 9890, 18082, 19780, 36164, 45205, 90410, 180820, 207943, 388763, 415886, 777526, 831772, 1039715, 1555052, 1943815, 2079430, 3887630, 4158860, 7775260, 8941549, 17883098, 35766196, 44707745, 89415490, 178830980]

約数ペア:

[(1, 178830980), (2, 89415490), (4, 44707745), (5, 35766196), (10, 17883098), (20, 8941549), (23, 7775260), (43, 4158860), (46, 3887630), (86, 2079430), (92, 1943815), (115, 1555052), (172, 1039715), (215, 831772), (230, 777526), (430, 415886), (460, 388763), (860, 207943), (989, 180820), (1978, 90410), (3956, 45205), (4945, 36164), (9041, 19780), (9890, 18082)]