2800996640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:395

約数の個数: 192

約数和(自身を含む): 7341062400

約数和(自身を除く): 4540065760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 67, 80, 101, 104, 130, 134, 160, 199, 202, 208, 260, 268, 335, 398, 404, 416, 505, 520, 536, 670, 796, 808, 871, 995, 1010, 1040, 1072, 1313, 1340, 1592, 1616, 1742, 1990, 2020, 2080, 2144, 2587, 2626, 2680, 3184, 3232, 3484, 3980, 4040, 4355, 5174, 5252, 5360, 6368, 6565, 6767, 6968, 7960, 8080, 8710, 10348, 10504, 10720, 12935, 13130, 13333, 13534, 13936, 15920, 16160, 17420, 20099, 20696, 21008, 25870, 26260, 26666, 27068, 27872, 31840, 33835, 34840, 40198, 41392, 42016, 51740, 52520, 53332, 54136, 66665, 67670, 69680, 80396, 82784, 87971, 100495, 103480, 105040, 106664, 108272, 133330, 135340, 139360, 160792, 173329, 175942, 200990, 206960, 210080, 213328, 216544, 261287, 266660, 270680, 321584, 346658, 351884, 401980, 413920, 426656, 439855, 522574, 533320, 541360, 643168, 693316, 703768, 803960, 866645, 879710, 1045148, 1066640, 1082720, 1306435, 1346633, 1386632, 1407536, 1607920, 1733290, 1759420, 2090296, 2133280, 2612870, 2693266, 2773264, 2815072, 3215840, 3466580, 3518840, 4180592, 5225740, 5386532, 5546528, 6733165, 6933160, 7037680, 8361184, 10451480, 10773064, 13466330, 13866320, 14075360, 17506229, 20902960, 21546128, 26932660, 27732640, 35012458, 41805920, 43092256, 53865320, 70024916, 87531145, 107730640, 140049832, 175062290, 215461280, 280099664, 350124580, 560199328, 700249160, 1400498320, 2800996640]

約数ペア:

[(1, 2800996640), (2, 1400498320), (4, 700249160), (5, 560199328), (8, 350124580), (10, 280099664), (13, 215461280), (16, 175062290), (20, 140049832), (26, 107730640), (32, 87531145), (40, 70024916), (52, 53865320), (65, 43092256), (67, 41805920), (80, 35012458), (101, 27732640), (104, 26932660), (130, 21546128), (134, 20902960), (160, 17506229), (199, 14075360), (202, 13866320), (208, 13466330), (260, 10773064), (268, 10451480), (335, 8361184), (398, 7037680), (404, 6933160), (416, 6733165), (505, 5546528), (520, 5386532), (536, 5225740), (670, 4180592), (796, 3518840), (808, 3466580), (871, 3215840), (995, 2815072), (1010, 2773264), (1040, 2693266), (1072, 2612870), (1313, 2133280), (1340, 2090296), (1592, 1759420), (1616, 1733290), (1742, 1607920), (1990, 1407536), (2020, 1386632), (2080, 1346633), (2144, 1306435), (2587, 1082720), (2626, 1066640), (2680, 1045148), (3184, 879710), (3232, 866645), (3484, 803960), (3980, 703768), (4040, 693316), (4355, 643168), (5174, 541360), (5252, 533320), (5360, 522574), (6368, 439855), (6565, 426656), (6767, 413920), (6968, 401980), (7960, 351884), (8080, 346658), (8710, 321584), (10348, 270680), (10504, 266660), (10720, 261287), (12935, 216544), (13130, 213328), (13333, 210080), (13534, 206960), (13936, 200990), (15920, 175942), (16160, 173329), (17420, 160792), (20099, 139360), (20696, 135340), (21008, 133330), (25870, 108272), (26260, 106664), (26666, 105040), (27068, 103480), (27872, 100495), (31840, 87971), (33835, 82784), (34840, 80396), (40198, 69680), (41392, 67670), (42016, 66665), (51740, 54136), (52520, 53332)]