389638480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1545

約数の個数: 160

約数和(自身を含む): 1156497408

約数和(自身を除く): 766858928

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 80, 86, 88, 110, 112, 140, 154, 172, 176, 215, 220, 280, 301, 308, 344, 385, 430, 440, 473, 560, 602, 616, 688, 770, 860, 880, 946, 1204, 1232, 1471, 1505, 1540, 1720, 1892, 2365, 2408, 2942, 3010, 3080, 3311, 3440, 3784, 4730, 4816, 5884, 6020, 6160, 6622, 7355, 7568, 9460, 10297, 11768, 12040, 13244, 14710, 16181, 16555, 18920, 20594, 23536, 24080, 26488, 29420, 32362, 33110, 37840, 41188, 51485, 52976, 58840, 63253, 64724, 66220, 80905, 82376, 102970, 113267, 117680, 126506, 129448, 132440, 161810, 164752, 205940, 226534, 253012, 258896, 264880, 316265, 323620, 411880, 442771, 453068, 506024, 566335, 632530, 647240, 695783, 823760, 885542, 906136, 1012048, 1132670, 1265060, 1294480, 1391566, 1771084, 1812272, 2213855, 2265340, 2530120, 2783132, 3478915, 3542168, 4427710, 4530680, 4870481, 5060240, 5566264, 6957830, 7084336, 8855420, 9061360, 9740962, 11132528, 13915660, 17710840, 19481924, 24352405, 27831320, 35421680, 38963848, 48704810, 55662640, 77927696, 97409620, 194819240, 389638480]

約数ペア:

[(1, 389638480), (2, 194819240), (4, 97409620), (5, 77927696), (7, 55662640), (8, 48704810), (10, 38963848), (11, 35421680), (14, 27831320), (16, 24352405), (20, 19481924), (22, 17710840), (28, 13915660), (35, 11132528), (40, 9740962), (43, 9061360), (44, 8855420), (55, 7084336), (56, 6957830), (70, 5566264), (77, 5060240), (80, 4870481), (86, 4530680), (88, 4427710), (110, 3542168), (112, 3478915), (140, 2783132), (154, 2530120), (172, 2265340), (176, 2213855), (215, 1812272), (220, 1771084), (280, 1391566), (301, 1294480), (308, 1265060), (344, 1132670), (385, 1012048), (430, 906136), (440, 885542), (473, 823760), (560, 695783), (602, 647240), (616, 632530), (688, 566335), (770, 506024), (860, 453068), (880, 442771), (946, 411880), (1204, 323620), (1232, 316265), (1471, 264880), (1505, 258896), (1540, 253012), (1720, 226534), (1892, 205940), (2365, 164752), (2408, 161810), (2942, 132440), (3010, 129448), (3080, 126506), (3311, 117680), (3440, 113267), (3784, 102970), (4730, 82376), (4816, 80905), (5884, 66220), (6020, 64724), (6160, 63253), (6622, 58840), (7355, 52976), (7568, 51485), (9460, 41188), (10297, 37840), (11768, 33110), (12040, 32362), (13244, 29420), (14710, 26488), (16181, 24080), (16555, 23536), (18920, 20594)]