201523240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{691}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 475320960

約数和(自身を除く): 273797720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 317, 460, 634, 691, 920, 1268, 1382, 1585, 2536, 2764, 3170, 3455, 5528, 6340, 6910, 7291, 12680, 13820, 14582, 15893, 27640, 29164, 31786, 36455, 58328, 63572, 72910, 79465, 127144, 145820, 158930, 219047, 291640, 317860, 438094, 635720, 876188, 1095235, 1752376, 2190470, 4380940, 5038081, 8761880, 10076162, 20152324, 25190405, 40304648, 50380810, 100761620, 201523240]

約数ペア:

[(1, 201523240), (2, 100761620), (4, 50380810), (5, 40304648), (8, 25190405), (10, 20152324), (20, 10076162), (23, 8761880), (40, 5038081), (46, 4380940), (92, 2190470), (115, 1752376), (184, 1095235), (230, 876188), (317, 635720), (460, 438094), (634, 317860), (691, 291640), (920, 219047), (1268, 158930), (1382, 145820), (1585, 127144), (2536, 79465), (2764, 72910), (3170, 63572), (3455, 58328), (5528, 36455), (6340, 31786), (6910, 29164), (7291, 27640), (12680, 15893), (13820, 14582)]