90954238000

素因数分解:

$2^4\times 5^3\times {\mathrm{409}}^1\times {\mathrm{111191}}^1$

素因数の和:111623

約数の個数: 80

約数和(自身を含む): 220467049920

約数和(自身を除く): 129512811920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 409, 500, 818, 1000, 1636, 2000, 2045, 3272, 4090, 6544, 8180, 10225, 16360, 20450, 32720, 40900, 51125, 81800, 102250, 111191, 163600, 204500, 222382, 409000, 444764, 555955, 818000, 889528, 1111910, 1779056, 2223820, 2779775, 4447640, 5559550, 8895280, 11119100, 13898875, 22238200, 27797750, 44476400, 45477119, 55595500, 90954238, 111191000, 181908476, 222382000, 227385595, 363816952, 454771190, 727633904, 909542380, 1136927975, 1819084760, 2273855950, 3638169520, 4547711900, 5684639875, 9095423800, 11369279750, 18190847600, 22738559500, 45477119000, 90954238000]

約数ペア:

[(1, 90954238000), (2, 45477119000), (4, 22738559500), (5, 18190847600), (8, 11369279750), (10, 9095423800), (16, 5684639875), (20, 4547711900), (25, 3638169520), (40, 2273855950), (50, 1819084760), (80, 1136927975), (100, 909542380), (125, 727633904), (200, 454771190), (250, 363816952), (400, 227385595), (409, 222382000), (500, 181908476), (818, 111191000), (1000, 90954238), (1636, 55595500), (2000, 45477119), (2045, 44476400), (3272, 27797750), (4090, 22238200), (6544, 13898875), (8180, 11119100), (10225, 8895280), (16360, 5559550), (20450, 4447640), (32720, 2779775), (40900, 2223820), (51125, 1779056), (81800, 1111910), (102250, 889528), (111191, 818000), (163600, 555955), (204500, 444764), (222382, 409000)]