1691060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 4161024

約数和(自身を除く): 2469964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 257, 329, 470, 514, 658, 940, 1028, 1285, 1316, 1645, 1799, 2570, 3290, 3598, 5140, 6580, 7196, 8995, 12079, 17990, 24158, 35980, 48316, 60395, 84553, 120790, 169106, 241580, 338212, 422765, 845530, 1691060]

約数ペア:

[(1, 1691060), (2, 845530), (4, 422765), (5, 338212), (7, 241580), (10, 169106), (14, 120790), (20, 84553), (28, 60395), (35, 48316), (47, 35980), (70, 24158), (94, 17990), (140, 12079), (188, 8995), (235, 7196), (257, 6580), (329, 5140), (470, 3598), (514, 3290), (658, 2570), (940, 1799), (1028, 1645), (1285, 1316)]