208063240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1643

約数の個数: 128

約数和(自身を含む): 597611520

約数和(自身を除く): 389548280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 86, 88, 110, 140, 154, 172, 215, 220, 280, 301, 308, 344, 385, 430, 440, 473, 602, 616, 770, 860, 946, 1204, 1505, 1540, 1571, 1720, 1892, 2365, 2408, 3010, 3080, 3142, 3311, 3784, 4730, 6020, 6284, 6622, 7855, 9460, 10997, 12040, 12568, 13244, 15710, 16555, 17281, 18920, 21994, 26488, 31420, 33110, 34562, 43988, 54985, 62840, 66220, 67553, 69124, 86405, 87976, 109970, 120967, 132440, 135106, 138248, 172810, 219940, 241934, 270212, 337765, 345620, 439880, 472871, 483868, 540424, 604835, 675530, 691240, 743083, 945742, 967736, 1209670, 1351060, 1486166, 1891484, 2364355, 2419340, 2702120, 2972332, 3715415, 3782968, 4728710, 4838680, 5201581, 5944664, 7430830, 9457420, 10403162, 14861660, 18914840, 20806324, 26007905, 29723320, 41612648, 52015810, 104031620, 208063240]

約数ペア:

[(1, 208063240), (2, 104031620), (4, 52015810), (5, 41612648), (7, 29723320), (8, 26007905), (10, 20806324), (11, 18914840), (14, 14861660), (20, 10403162), (22, 9457420), (28, 7430830), (35, 5944664), (40, 5201581), (43, 4838680), (44, 4728710), (55, 3782968), (56, 3715415), (70, 2972332), (77, 2702120), (86, 2419340), (88, 2364355), (110, 1891484), (140, 1486166), (154, 1351060), (172, 1209670), (215, 967736), (220, 945742), (280, 743083), (301, 691240), (308, 675530), (344, 604835), (385, 540424), (430, 483868), (440, 472871), (473, 439880), (602, 345620), (616, 337765), (770, 270212), (860, 241934), (946, 219940), (1204, 172810), (1505, 138248), (1540, 135106), (1571, 132440), (1720, 120967), (1892, 109970), (2365, 87976), (2408, 86405), (3010, 69124), (3080, 67553), (3142, 66220), (3311, 62840), (3784, 54985), (4730, 43988), (6020, 34562), (6284, 33110), (6622, 31420), (7855, 26488), (9460, 21994), (10997, 18920), (12040, 17281), (12568, 16555), (13244, 15710)]