688045690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{63649}}^1$

素因数の和:63726

約数の個数: 32

約数和(自身を含む): 1319846400

約数和(自身を除く): 631800710

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 2162, 5405, 10810, 63649, 127298, 318245, 636490, 1463927, 2927854, 2991503, 5983006, 7319635, 14639270, 14957515, 29915030, 68804569, 137609138, 344022845, 688045690]

約数ペア:

[(1, 688045690), (2, 344022845), (5, 137609138), (10, 68804569), (23, 29915030), (46, 14957515), (47, 14639270), (94, 7319635), (115, 5983006), (230, 2991503), (235, 2927854), (470, 1463927), (1081, 636490), (2162, 318245), (5405, 127298), (10810, 63649)]