2011569520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{6857}}^1$

素因数の和:7082

約数の個数: 80

約数和(自身を含む): 4949281440

約数和(自身を除く): 2937711920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 193, 304, 380, 386, 760, 772, 965, 1520, 1544, 1930, 3088, 3667, 3860, 6857, 7334, 7720, 13714, 14668, 15440, 18335, 27428, 29336, 34285, 36670, 54856, 58672, 68570, 73340, 109712, 130283, 137140, 146680, 260566, 274280, 293360, 521132, 548560, 651415, 1042264, 1302830, 1323401, 2084528, 2605660, 2646802, 5211320, 5293604, 6617005, 10422640, 10587208, 13234010, 21174416, 25144619, 26468020, 50289238, 52936040, 100578476, 105872080, 125723095, 201156952, 251446190, 402313904, 502892380, 1005784760, 2011569520]

約数ペア:

[(1, 2011569520), (2, 1005784760), (4, 502892380), (5, 402313904), (8, 251446190), (10, 201156952), (16, 125723095), (19, 105872080), (20, 100578476), (38, 52936040), (40, 50289238), (76, 26468020), (80, 25144619), (95, 21174416), (152, 13234010), (190, 10587208), (193, 10422640), (304, 6617005), (380, 5293604), (386, 5211320), (760, 2646802), (772, 2605660), (965, 2084528), (1520, 1323401), (1544, 1302830), (1930, 1042264), (3088, 651415), (3667, 548560), (3860, 521132), (6857, 293360), (7334, 274280), (7720, 260566), (13714, 146680), (14668, 137140), (15440, 130283), (18335, 109712), (27428, 73340), (29336, 68570), (34285, 58672), (36670, 54856)]