401031680

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 240

約数和(自身を含む): 1175549760

約数和(自身を除く): 774518080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 128, 139, 140, 160, 161, 184, 196, 224, 230, 245, 256, 278, 280, 320, 322, 368, 392, 448, 460, 490, 512, 556, 560, 640, 644, 695, 736, 784, 805, 896, 920, 973, 980, 1112, 1120, 1127, 1280, 1288, 1390, 1472, 1568, 1610, 1792, 1840, 1946, 1960, 2224, 2240, 2254, 2560, 2576, 2780, 2944, 3136, 3197, 3220, 3584, 3680, 3892, 3920, 4448, 4480, 4508, 4865, 5152, 5560, 5635, 5888, 6272, 6394, 6440, 6811, 7360, 7784, 7840, 8896, 8960, 9016, 9730, 10304, 11120, 11270, 11776, 12544, 12788, 12880, 13622, 14720, 15568, 15680, 15985, 17792, 17920, 18032, 19460, 20608, 22240, 22379, 22540, 25088, 25576, 25760, 27244, 29440, 31136, 31360, 31970, 34055, 35584, 36064, 38920, 41216, 44480, 44758, 45080, 51152, 51520, 54488, 58880, 62272, 62720, 63940, 68110, 71168, 72128, 77840, 82432, 88960, 89516, 90160, 102304, 103040, 108976, 111895, 124544, 125440, 127880, 136220, 144256, 155680, 156653, 177920, 179032, 180320, 204608, 206080, 217952, 223790, 249088, 255760, 272440, 288512, 311360, 313306, 355840, 358064, 360640, 409216, 412160, 435904, 447580, 498176, 511520, 544880, 577024, 622720, 626612, 716128, 721280, 783265, 818432, 871808, 895160, 1023040, 1089760, 1245440, 1253224, 1432256, 1442560, 1566530, 1636864, 1743616, 1790320, 2046080, 2179520, 2490880, 2506448, 2864512, 2885120, 3133060, 3487232, 3580640, 4092160, 4359040, 5012896, 5729024, 6266120, 7161280, 8184320, 8718080, 10025792, 11458048, 12532240, 14322560, 17436160, 20051584, 25064480, 28645120, 40103168, 50128960, 57290240, 80206336, 100257920, 200515840, 401031680]

約数ペア:

[(1, 401031680), (2, 200515840), (4, 100257920), (5, 80206336), (7, 57290240), (8, 50128960), (10, 40103168), (14, 28645120), (16, 25064480), (20, 20051584), (23, 17436160), (28, 14322560), (32, 12532240), (35, 11458048), (40, 10025792), (46, 8718080), (49, 8184320), (56, 7161280), (64, 6266120), (70, 5729024), (80, 5012896), (92, 4359040), (98, 4092160), (112, 3580640), (115, 3487232), (128, 3133060), (139, 2885120), (140, 2864512), (160, 2506448), (161, 2490880), (184, 2179520), (196, 2046080), (224, 1790320), (230, 1743616), (245, 1636864), (256, 1566530), (278, 1442560), (280, 1432256), (320, 1253224), (322, 1245440), (368, 1089760), (392, 1023040), (448, 895160), (460, 871808), (490, 818432), (512, 783265), (556, 721280), (560, 716128), (640, 626612), (644, 622720), (695, 577024), (736, 544880), (784, 511520), (805, 498176), (896, 447580), (920, 435904), (973, 412160), (980, 409216), (1112, 360640), (1120, 358064), (1127, 355840), (1280, 313306), (1288, 311360), (1390, 288512), (1472, 272440), (1568, 255760), (1610, 249088), (1792, 223790), (1840, 217952), (1946, 206080), (1960, 204608), (2224, 180320), (2240, 179032), (2254, 177920), (2560, 156653), (2576, 155680), (2780, 144256), (2944, 136220), (3136, 127880), (3197, 125440), (3220, 124544), (3584, 111895), (3680, 108976), (3892, 103040), (3920, 102304), (4448, 90160), (4480, 89516), (4508, 88960), (4865, 82432), (5152, 77840), (5560, 72128), (5635, 71168), (5888, 68110), (6272, 63940), (6394, 62720), (6440, 62272), (6811, 58880), (7360, 54488), (7784, 51520), (7840, 51152), (8896, 45080), (8960, 44758), (9016, 44480), (9730, 41216), (10304, 38920), (11120, 36064), (11270, 35584), (11776, 34055), (12544, 31970), (12788, 31360), (12880, 31136), (13622, 29440), (14720, 27244), (15568, 25760), (15680, 25576), (15985, 25088), (17792, 22540), (17920, 22379), (18032, 22240), (19460, 20608)]