728990000

素因数分解:

$2^4\times 5^4\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:568

約数の個数: 100

約数和(自身を含む): 1778055840

約数和(自身を除く): 1049065840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 269, 271, 400, 500, 538, 542, 625, 1000, 1076, 1084, 1250, 1345, 1355, 2000, 2152, 2168, 2500, 2690, 2710, 4304, 4336, 5000, 5380, 5420, 6725, 6775, 10000, 10760, 10840, 13450, 13550, 21520, 21680, 26900, 27100, 33625, 33875, 53800, 54200, 67250, 67750, 72899, 107600, 108400, 134500, 135500, 145798, 168125, 169375, 269000, 271000, 291596, 336250, 338750, 364495, 538000, 542000, 583192, 672500, 677500, 728990, 1166384, 1345000, 1355000, 1457980, 1822475, 2690000, 2710000, 2915960, 3644950, 5831920, 7289900, 9112375, 14579800, 18224750, 29159600, 36449500, 45561875, 72899000, 91123750, 145798000, 182247500, 364495000, 728990000]

約数ペア:

[(1, 728990000), (2, 364495000), (4, 182247500), (5, 145798000), (8, 91123750), (10, 72899000), (16, 45561875), (20, 36449500), (25, 29159600), (40, 18224750), (50, 14579800), (80, 9112375), (100, 7289900), (125, 5831920), (200, 3644950), (250, 2915960), (269, 2710000), (271, 2690000), (400, 1822475), (500, 1457980), (538, 1355000), (542, 1345000), (625, 1166384), (1000, 728990), (1076, 677500), (1084, 672500), (1250, 583192), (1345, 542000), (1355, 538000), (2000, 364495), (2152, 338750), (2168, 336250), (2500, 291596), (2690, 271000), (2710, 269000), (4304, 169375), (4336, 168125), (5000, 145798), (5380, 135500), (5420, 134500), (6725, 108400), (6775, 107600), (10000, 72899), (10760, 67750), (10840, 67250), (13450, 54200), (13550, 53800), (21520, 33875), (21680, 33625), (26900, 27100)]