409889920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 192

約数和(自身を含む): 1106985600

約数和(自身を除く): 697095680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 67, 79, 80, 88, 110, 121, 128, 134, 158, 160, 176, 220, 242, 268, 316, 320, 335, 352, 395, 440, 484, 536, 605, 632, 640, 670, 704, 737, 790, 869, 880, 968, 1072, 1210, 1264, 1340, 1408, 1474, 1580, 1738, 1760, 1936, 2144, 2420, 2528, 2680, 2948, 3160, 3476, 3520, 3685, 3872, 4288, 4345, 4840, 5056, 5293, 5360, 5896, 6320, 6952, 7040, 7370, 7744, 8107, 8576, 8690, 9559, 9680, 10112, 10586, 10720, 11792, 12640, 13904, 14740, 15488, 16214, 17380, 19118, 19360, 21172, 21440, 23584, 25280, 26465, 27808, 29480, 32428, 34760, 38236, 38720, 40535, 42344, 42880, 47168, 47795, 50560, 52930, 55616, 58223, 58960, 64856, 69520, 76472, 77440, 81070, 84688, 94336, 95590, 105860, 111232, 116446, 117920, 129712, 139040, 152944, 162140, 169376, 191180, 211720, 232892, 235840, 259424, 278080, 291115, 305888, 324280, 338752, 382360, 423440, 465784, 471680, 518848, 556160, 582230, 611776, 640453, 648560, 677504, 764720, 846880, 931568, 1037696, 1164460, 1223552, 1280906, 1297120, 1529440, 1693760, 1863136, 2328920, 2561812, 2594240, 3058880, 3202265, 3387520, 3726272, 4657840, 5123624, 5188480, 6117760, 6404530, 7452544, 9315680, 10247248, 12809060, 18631360, 20494496, 25618120, 37262720, 40988992, 51236240, 81977984, 102472480, 204944960, 409889920]

約数ペア:

[(1, 409889920), (2, 204944960), (4, 102472480), (5, 81977984), (8, 51236240), (10, 40988992), (11, 37262720), (16, 25618120), (20, 20494496), (22, 18631360), (32, 12809060), (40, 10247248), (44, 9315680), (55, 7452544), (64, 6404530), (67, 6117760), (79, 5188480), (80, 5123624), (88, 4657840), (110, 3726272), (121, 3387520), (128, 3202265), (134, 3058880), (158, 2594240), (160, 2561812), (176, 2328920), (220, 1863136), (242, 1693760), (268, 1529440), (316, 1297120), (320, 1280906), (335, 1223552), (352, 1164460), (395, 1037696), (440, 931568), (484, 846880), (536, 764720), (605, 677504), (632, 648560), (640, 640453), (670, 611776), (704, 582230), (737, 556160), (790, 518848), (869, 471680), (880, 465784), (968, 423440), (1072, 382360), (1210, 338752), (1264, 324280), (1340, 305888), (1408, 291115), (1474, 278080), (1580, 259424), (1738, 235840), (1760, 232892), (1936, 211720), (2144, 191180), (2420, 169376), (2528, 162140), (2680, 152944), (2948, 139040), (3160, 129712), (3476, 117920), (3520, 116446), (3685, 111232), (3872, 105860), (4288, 95590), (4345, 94336), (4840, 84688), (5056, 81070), (5293, 77440), (5360, 76472), (5896, 69520), (6320, 64856), (6952, 58960), (7040, 58223), (7370, 55616), (7744, 52930), (8107, 50560), (8576, 47795), (8690, 47168), (9559, 42880), (9680, 42344), (10112, 40535), (10586, 38720), (10720, 38236), (11792, 34760), (12640, 32428), (13904, 29480), (14740, 27808), (15488, 26465), (16214, 25280), (17380, 23584), (19118, 21440), (19360, 21172)]