131210660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{22859}}^1$

素因数の和:22916

約数の個数: 48

約数和(自身を含む): 322600320

約数和(自身を除く): 191389660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 22859, 45718, 91436, 114295, 160013, 228590, 320026, 457180, 640052, 800065, 937219, 1600130, 1874438, 3200260, 3748876, 4686095, 6560533, 9372190, 13121066, 18744380, 26242132, 32802665, 65605330, 131210660]

約数ペア:

[(1, 131210660), (2, 65605330), (4, 32802665), (5, 26242132), (7, 18744380), (10, 13121066), (14, 9372190), (20, 6560533), (28, 4686095), (35, 3748876), (41, 3200260), (70, 1874438), (82, 1600130), (140, 937219), (164, 800065), (205, 640052), (287, 457180), (410, 320026), (574, 228590), (820, 160013), (1148, 114295), (1435, 91436), (2870, 45718), (5740, 22859)]