349700000

素因数分解:

$2^5\times 5^5\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:317

約数の個数: 144

約数和(自身を含む): 930174840

約数和(自身を除く): 580474840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 160, 200, 208, 250, 260, 269, 325, 400, 416, 500, 520, 538, 625, 650, 800, 1000, 1040, 1076, 1250, 1300, 1345, 1625, 2000, 2080, 2152, 2500, 2600, 2690, 3125, 3250, 3497, 4000, 4304, 5000, 5200, 5380, 6250, 6500, 6725, 6994, 8125, 8608, 10000, 10400, 10760, 12500, 13000, 13450, 13988, 16250, 17485, 20000, 21520, 25000, 26000, 26900, 27976, 32500, 33625, 34970, 40625, 43040, 50000, 52000, 53800, 55952, 65000, 67250, 69940, 81250, 87425, 100000, 107600, 111904, 130000, 134500, 139880, 162500, 168125, 174850, 215200, 260000, 269000, 279760, 325000, 336250, 349700, 437125, 538000, 559520, 650000, 672500, 699400, 840625, 874250, 1076000, 1300000, 1345000, 1398800, 1681250, 1748500, 2185625, 2690000, 2797600, 3362500, 3497000, 4371250, 5380000, 6725000, 6994000, 8742500, 10928125, 13450000, 13988000, 17485000, 21856250, 26900000, 34970000, 43712500, 69940000, 87425000, 174850000, 349700000]

約数ペア:

[(1, 349700000), (2, 174850000), (4, 87425000), (5, 69940000), (8, 43712500), (10, 34970000), (13, 26900000), (16, 21856250), (20, 17485000), (25, 13988000), (26, 13450000), (32, 10928125), (40, 8742500), (50, 6994000), (52, 6725000), (65, 5380000), (80, 4371250), (100, 3497000), (104, 3362500), (125, 2797600), (130, 2690000), (160, 2185625), (200, 1748500), (208, 1681250), (250, 1398800), (260, 1345000), (269, 1300000), (325, 1076000), (400, 874250), (416, 840625), (500, 699400), (520, 672500), (538, 650000), (625, 559520), (650, 538000), (800, 437125), (1000, 349700), (1040, 336250), (1076, 325000), (1250, 279760), (1300, 269000), (1345, 260000), (1625, 215200), (2000, 174850), (2080, 168125), (2152, 162500), (2500, 139880), (2600, 134500), (2690, 130000), (3125, 111904), (3250, 107600), (3497, 100000), (4000, 87425), (4304, 81250), (5000, 69940), (5200, 67250), (5380, 65000), (6250, 55952), (6500, 53800), (6725, 52000), (6994, 50000), (8125, 43040), (8608, 40625), (10000, 34970), (10400, 33625), (10760, 32500), (12500, 27976), (13000, 26900), (13450, 26000), (13988, 25000), (16250, 21520), (17485, 20000)]