6980120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 18204480

約数和(自身を除く): 11224360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 257, 280, 388, 485, 514, 679, 776, 970, 1028, 1285, 1358, 1799, 1940, 2056, 2570, 2716, 3395, 3598, 3880, 5140, 5432, 6790, 7196, 8995, 10280, 13580, 14392, 17990, 24929, 27160, 35980, 49858, 71960, 99716, 124645, 174503, 199432, 249290, 349006, 498580, 698012, 872515, 997160, 1396024, 1745030, 3490060, 6980120]

約数ペア:

[(1, 6980120), (2, 3490060), (4, 1745030), (5, 1396024), (7, 997160), (8, 872515), (10, 698012), (14, 498580), (20, 349006), (28, 249290), (35, 199432), (40, 174503), (56, 124645), (70, 99716), (97, 71960), (140, 49858), (194, 35980), (257, 27160), (280, 24929), (388, 17990), (485, 14392), (514, 13580), (679, 10280), (776, 8995), (970, 7196), (1028, 6790), (1285, 5432), (1358, 5140), (1799, 3880), (1940, 3598), (2056, 3395), (2570, 2716)]