179936890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{18493}}^1$

素因数の和:18646

約数の個数: 32

約数和(自身を含む): 372839040

約数和(自身を除く): 192902150

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 18493, 36986, 92465, 129451, 184930, 258902, 647255, 1294510, 2570527, 5141054, 12852635, 17993689, 25705270, 35987378, 89968445, 179936890]

約数ペア:

[(1, 179936890), (2, 89968445), (5, 35987378), (7, 25705270), (10, 17993689), (14, 12852635), (35, 5141054), (70, 2570527), (139, 1294510), (278, 647255), (695, 258902), (973, 184930), (1390, 129451), (1946, 92465), (4865, 36986), (9730, 18493)]