2008341920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{257}}^1$

素因数の和:332

約数の個数: 216

約数和(自身を含む): 5478995844

約数和(自身を除く): 3470653924

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 169, 170, 208, 221, 257, 260, 272, 289, 338, 340, 416, 442, 514, 520, 544, 578, 676, 680, 845, 884, 1028, 1040, 1105, 1156, 1285, 1352, 1360, 1445, 1690, 1768, 2056, 2080, 2210, 2312, 2570, 2704, 2720, 2873, 2890, 3341, 3380, 3536, 3757, 4112, 4369, 4420, 4624, 5140, 5408, 5746, 5780, 6682, 6760, 7072, 7514, 8224, 8738, 8840, 9248, 10280, 11492, 11560, 13364, 13520, 14365, 15028, 16705, 17476, 17680, 18785, 20560, 21845, 22984, 23120, 26728, 27040, 28730, 30056, 33410, 34952, 35360, 37570, 41120, 43433, 43690, 45968, 46240, 48841, 53456, 56797, 57460, 60112, 66820, 69904, 74273, 75140, 86866, 87380, 91936, 97682, 106912, 113594, 114920, 120224, 133640, 139808, 148546, 150280, 173732, 174760, 195364, 217165, 227188, 229840, 244205, 267280, 283985, 297092, 300560, 347464, 349520, 371365, 390728, 434330, 454376, 459680, 488410, 534560, 567970, 594184, 601120, 694928, 699040, 738361, 742730, 781456, 868660, 908752, 965549, 976820, 1135940, 1188368, 1389856, 1476722, 1485460, 1562912, 1737320, 1817504, 1931098, 1953640, 2271880, 2376736, 2953444, 2970920, 3474640, 3691805, 3862196, 3907280, 4543760, 4827745, 5906888, 5941840, 6949280, 7383610, 7724392, 7814560, 9087520, 9655490, 11813776, 11883680, 12552137, 14767220, 15448784, 19310980, 23627552, 25104274, 29534440, 30897568, 38621960, 50208548, 59068880, 62760685, 77243920, 100417096, 118137760, 125521370, 154487840, 200834192, 251042740, 401668384, 502085480, 1004170960, 2008341920]

約数ペア:

[(1, 2008341920), (2, 1004170960), (4, 502085480), (5, 401668384), (8, 251042740), (10, 200834192), (13, 154487840), (16, 125521370), (17, 118137760), (20, 100417096), (26, 77243920), (32, 62760685), (34, 59068880), (40, 50208548), (52, 38621960), (65, 30897568), (68, 29534440), (80, 25104274), (85, 23627552), (104, 19310980), (130, 15448784), (136, 14767220), (160, 12552137), (169, 11883680), (170, 11813776), (208, 9655490), (221, 9087520), (257, 7814560), (260, 7724392), (272, 7383610), (289, 6949280), (338, 5941840), (340, 5906888), (416, 4827745), (442, 4543760), (514, 3907280), (520, 3862196), (544, 3691805), (578, 3474640), (676, 2970920), (680, 2953444), (845, 2376736), (884, 2271880), (1028, 1953640), (1040, 1931098), (1105, 1817504), (1156, 1737320), (1285, 1562912), (1352, 1485460), (1360, 1476722), (1445, 1389856), (1690, 1188368), (1768, 1135940), (2056, 976820), (2080, 965549), (2210, 908752), (2312, 868660), (2570, 781456), (2704, 742730), (2720, 738361), (2873, 699040), (2890, 694928), (3341, 601120), (3380, 594184), (3536, 567970), (3757, 534560), (4112, 488410), (4369, 459680), (4420, 454376), (4624, 434330), (5140, 390728), (5408, 371365), (5746, 349520), (5780, 347464), (6682, 300560), (6760, 297092), (7072, 283985), (7514, 267280), (8224, 244205), (8738, 229840), (8840, 227188), (9248, 217165), (10280, 195364), (11492, 174760), (11560, 173732), (13364, 150280), (13520, 148546), (14365, 139808), (15028, 133640), (16705, 120224), (17476, 114920), (17680, 113594), (18785, 106912), (20560, 97682), (21845, 91936), (22984, 87380), (23120, 86866), (26728, 75140), (27040, 74273), (28730, 69904), (30056, 66820), (33410, 60112), (34952, 57460), (35360, 56797), (37570, 53456), (41120, 48841), (43433, 46240), (43690, 45968)]