204078560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{709}}^1$

素因数の和:988

約数の個数: 96

約数和(自身を含む): 553936320

約数和(自身を除く): 349857760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 257, 280, 514, 560, 709, 1028, 1120, 1285, 1418, 1799, 2056, 2570, 2836, 3545, 3598, 4112, 4963, 5140, 5672, 7090, 7196, 8224, 8995, 9926, 10280, 11344, 14180, 14392, 17990, 19852, 20560, 22688, 24815, 28360, 28784, 35980, 39704, 41120, 49630, 56720, 57568, 71960, 79408, 99260, 113440, 143920, 158816, 182213, 198520, 287840, 364426, 397040, 728852, 794080, 911065, 1275491, 1457704, 1822130, 2550982, 2915408, 3644260, 5101964, 5830816, 6377455, 7288520, 10203928, 12754910, 14577040, 20407856, 25509820, 29154080, 40815712, 51019640, 102039280, 204078560]

約数ペア:

[(1, 204078560), (2, 102039280), (4, 51019640), (5, 40815712), (7, 29154080), (8, 25509820), (10, 20407856), (14, 14577040), (16, 12754910), (20, 10203928), (28, 7288520), (32, 6377455), (35, 5830816), (40, 5101964), (56, 3644260), (70, 2915408), (80, 2550982), (112, 1822130), (140, 1457704), (160, 1275491), (224, 911065), (257, 794080), (280, 728852), (514, 397040), (560, 364426), (709, 287840), (1028, 198520), (1120, 182213), (1285, 158816), (1418, 143920), (1799, 113440), (2056, 99260), (2570, 79408), (2836, 71960), (3545, 57568), (3598, 56720), (4112, 49630), (4963, 41120), (5140, 39704), (5672, 35980), (7090, 28784), (7196, 28360), (8224, 24815), (8995, 22688), (9926, 20560), (10280, 19852), (11344, 17990), (14180, 14392)]