676855760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{4703}}^1$

素因数の和:4980

約数の個数: 80

約数和(自身を含む): 1805884416

約数和(自身を除く): 1129028656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 257, 280, 514, 560, 1028, 1285, 1799, 2056, 2570, 3598, 4112, 4703, 5140, 7196, 8995, 9406, 10280, 14392, 17990, 18812, 20560, 23515, 28784, 32921, 35980, 37624, 47030, 65842, 71960, 75248, 94060, 131684, 143920, 164605, 188120, 263368, 329210, 376240, 526736, 658420, 1208671, 1316840, 2417342, 2633680, 4834684, 6043355, 8460697, 9669368, 12086710, 16921394, 19338736, 24173420, 33842788, 42303485, 48346840, 67685576, 84606970, 96693680, 135371152, 169213940, 338427880, 676855760]

約数ペア:

[(1, 676855760), (2, 338427880), (4, 169213940), (5, 135371152), (7, 96693680), (8, 84606970), (10, 67685576), (14, 48346840), (16, 42303485), (20, 33842788), (28, 24173420), (35, 19338736), (40, 16921394), (56, 12086710), (70, 9669368), (80, 8460697), (112, 6043355), (140, 4834684), (257, 2633680), (280, 2417342), (514, 1316840), (560, 1208671), (1028, 658420), (1285, 526736), (1799, 376240), (2056, 329210), (2570, 263368), (3598, 188120), (4112, 164605), (4703, 143920), (5140, 131684), (7196, 94060), (8995, 75248), (9406, 71960), (10280, 65842), (14392, 47030), (17990, 37624), (18812, 35980), (20560, 32921), (23515, 28784)]