2000506880

素因数分解:

$2^{12}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 208

約数和(自身を含む): 5208689664

約数和(自身を除く): 3208182784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 137, 155, 160, 184, 230, 248, 256, 274, 310, 320, 368, 460, 496, 512, 548, 620, 640, 685, 713, 736, 920, 992, 1024, 1096, 1240, 1280, 1370, 1426, 1472, 1840, 1984, 2048, 2192, 2480, 2560, 2740, 2852, 2944, 3151, 3565, 3680, 3968, 4096, 4247, 4384, 4960, 5120, 5480, 5704, 5888, 6302, 7130, 7360, 7936, 8494, 8768, 9920, 10240, 10960, 11408, 11776, 12604, 14260, 14720, 15755, 15872, 16988, 17536, 19840, 20480, 21235, 21920, 22816, 23552, 25208, 28520, 29440, 31510, 31744, 33976, 35072, 39680, 42470, 43840, 45632, 47104, 50416, 57040, 58880, 63020, 63488, 67952, 70144, 79360, 84940, 87680, 91264, 94208, 97681, 100832, 114080, 117760, 126040, 126976, 135904, 140288, 158720, 169880, 175360, 182528, 195362, 201664, 228160, 235520, 252080, 271808, 280576, 317440, 339760, 350720, 365056, 390724, 403328, 456320, 471040, 488405, 504160, 543616, 561152, 634880, 679520, 701440, 730112, 781448, 806656, 912640, 976810, 1008320, 1087232, 1359040, 1402880, 1460224, 1562896, 1613312, 1825280, 1953620, 2016640, 2174464, 2718080, 2805760, 2920448, 3125792, 3226624, 3650560, 3907240, 4033280, 4348928, 5436160, 6251584, 6453248, 7301120, 7814480, 8066560, 8697856, 10872320, 12503168, 12906496, 14602240, 15628960, 16133120, 17395712, 21744640, 25006336, 31257920, 32266240, 43489280, 50012672, 62515840, 64532480, 86978560, 100025344, 125031680, 200050688, 250063360, 400101376, 500126720, 1000253440, 2000506880]

約数ペア:

[(1, 2000506880), (2, 1000253440), (4, 500126720), (5, 400101376), (8, 250063360), (10, 200050688), (16, 125031680), (20, 100025344), (23, 86978560), (31, 64532480), (32, 62515840), (40, 50012672), (46, 43489280), (62, 32266240), (64, 31257920), (80, 25006336), (92, 21744640), (115, 17395712), (124, 16133120), (128, 15628960), (137, 14602240), (155, 12906496), (160, 12503168), (184, 10872320), (230, 8697856), (248, 8066560), (256, 7814480), (274, 7301120), (310, 6453248), (320, 6251584), (368, 5436160), (460, 4348928), (496, 4033280), (512, 3907240), (548, 3650560), (620, 3226624), (640, 3125792), (685, 2920448), (713, 2805760), (736, 2718080), (920, 2174464), (992, 2016640), (1024, 1953620), (1096, 1825280), (1240, 1613312), (1280, 1562896), (1370, 1460224), (1426, 1402880), (1472, 1359040), (1840, 1087232), (1984, 1008320), (2048, 976810), (2192, 912640), (2480, 806656), (2560, 781448), (2740, 730112), (2852, 701440), (2944, 679520), (3151, 634880), (3565, 561152), (3680, 543616), (3968, 504160), (4096, 488405), (4247, 471040), (4384, 456320), (4960, 403328), (5120, 390724), (5480, 365056), (5704, 350720), (5888, 339760), (6302, 317440), (7130, 280576), (7360, 271808), (7936, 252080), (8494, 235520), (8768, 228160), (9920, 201664), (10240, 195362), (10960, 182528), (11408, 175360), (11776, 169880), (12604, 158720), (14260, 140288), (14720, 135904), (15755, 126976), (15872, 126040), (16988, 117760), (17536, 114080), (19840, 100832), (20480, 97681), (21235, 94208), (21920, 91264), (22816, 87680), (23552, 84940), (25208, 79360), (28520, 70144), (29440, 67952), (31510, 63488), (31744, 63020), (33976, 58880), (35072, 57040), (39680, 50416), (42470, 47104), (43840, 45632)]