2007244820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 5079512592

約数和(自身を除く): 3072267772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 197, 245, 259, 281, 370, 394, 490, 518, 562, 740, 788, 980, 985, 1036, 1124, 1295, 1379, 1405, 1813, 1967, 1970, 2590, 2758, 2810, 3626, 3934, 3940, 5180, 5516, 5620, 6895, 7252, 7289, 7868, 9065, 9653, 9835, 10397, 13769, 13790, 14578, 18130, 19306, 19670, 20794, 27538, 27580, 29156, 36260, 36445, 38612, 39340, 41588, 48265, 51023, 51985, 55076, 55357, 68845, 72779, 72890, 96530, 102046, 103970, 110714, 137690, 145558, 145780, 193060, 204092, 207940, 221428, 255115, 275380, 276785, 291116, 357161, 363895, 387499, 509453, 510230, 553570, 714322, 727790, 774998, 1018906, 1020460, 1107140, 1428644, 1455580, 1549996, 1785805, 1937495, 2037812, 2048209, 2547265, 2712493, 3571610, 3874990, 4096418, 5094530, 5424986, 7143220, 7749980, 8192836, 10189060, 10241045, 10849972, 13562465, 14337463, 20482090, 27124930, 28674926, 40964180, 54249860, 57349852, 71687315, 100362241, 143374630, 200724482, 286749260, 401448964, 501811205, 1003622410, 2007244820]

約数ペア:

[(1, 2007244820), (2, 1003622410), (4, 501811205), (5, 401448964), (7, 286749260), (10, 200724482), (14, 143374630), (20, 100362241), (28, 71687315), (35, 57349852), (37, 54249860), (49, 40964180), (70, 28674926), (74, 27124930), (98, 20482090), (140, 14337463), (148, 13562465), (185, 10849972), (196, 10241045), (197, 10189060), (245, 8192836), (259, 7749980), (281, 7143220), (370, 5424986), (394, 5094530), (490, 4096418), (518, 3874990), (562, 3571610), (740, 2712493), (788, 2547265), (980, 2048209), (985, 2037812), (1036, 1937495), (1124, 1785805), (1295, 1549996), (1379, 1455580), (1405, 1428644), (1813, 1107140), (1967, 1020460), (1970, 1018906), (2590, 774998), (2758, 727790), (2810, 714322), (3626, 553570), (3934, 510230), (3940, 509453), (5180, 387499), (5516, 363895), (5620, 357161), (6895, 291116), (7252, 276785), (7289, 275380), (7868, 255115), (9065, 221428), (9653, 207940), (9835, 204092), (10397, 193060), (13769, 145780), (13790, 145558), (14578, 137690), (18130, 110714), (19306, 103970), (19670, 102046), (20794, 96530), (27538, 72890), (27580, 72779), (29156, 68845), (36260, 55357), (36445, 55076), (38612, 51985), (39340, 51023), (41588, 48265)]