205458040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{4787}}^1$

素因数の和:4864

約数の個数: 64

約数和(自身を含む): 491248800

約数和(自身を除く): 285790760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 290, 296, 370, 580, 740, 1073, 1160, 1480, 2146, 4292, 4787, 5365, 8584, 9574, 10730, 19148, 21460, 23935, 38296, 42920, 47870, 95740, 138823, 177119, 191480, 277646, 354238, 555292, 694115, 708476, 885595, 1110584, 1388230, 1416952, 1771190, 2776460, 3542380, 5136451, 5552920, 7084760, 10272902, 20545804, 25682255, 41091608, 51364510, 102729020, 205458040]

約数ペア:

[(1, 205458040), (2, 102729020), (4, 51364510), (5, 41091608), (8, 25682255), (10, 20545804), (20, 10272902), (29, 7084760), (37, 5552920), (40, 5136451), (58, 3542380), (74, 2776460), (116, 1771190), (145, 1416952), (148, 1388230), (185, 1110584), (232, 885595), (290, 708476), (296, 694115), (370, 555292), (580, 354238), (740, 277646), (1073, 191480), (1160, 177119), (1480, 138823), (2146, 95740), (4292, 47870), (4787, 42920), (5365, 38296), (8584, 23935), (9574, 21460), (10730, 19148)]