71725780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{947}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 172642176

約数和(自身を除く): 100916396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 541, 947, 1082, 1894, 2164, 2705, 3787, 3788, 4735, 5410, 6629, 7574, 9470, 10820, 13258, 15148, 18935, 18940, 26516, 33145, 37870, 66290, 75740, 132580, 512327, 1024654, 2049308, 2561635, 3586289, 5123270, 7172578, 10246540, 14345156, 17931445, 35862890, 71725780]

約数ペア:

[(1, 71725780), (2, 35862890), (4, 17931445), (5, 14345156), (7, 10246540), (10, 7172578), (14, 5123270), (20, 3586289), (28, 2561635), (35, 2049308), (70, 1024654), (140, 512327), (541, 132580), (947, 75740), (1082, 66290), (1894, 37870), (2164, 33145), (2705, 26516), (3787, 18940), (3788, 18935), (4735, 15148), (5410, 13258), (6629, 10820), (7574, 9470)]