203305900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{41491}}^1$

素因数の和:41519

約数の個数: 54

約数和(自身を含む): 513214548

約数和(自身を除く): 309908648

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 41491, 82982, 165964, 207455, 290437, 414910, 580874, 829820, 1037275, 1161748, 1452185, 2033059, 2074550, 2904370, 4066118, 4149100, 5808740, 7260925, 8132236, 10165295, 14521850, 20330590, 29043700, 40661180, 50826475, 101652950, 203305900]

約数ペア:

[(1, 203305900), (2, 101652950), (4, 50826475), (5, 40661180), (7, 29043700), (10, 20330590), (14, 14521850), (20, 10165295), (25, 8132236), (28, 7260925), (35, 5808740), (49, 4149100), (50, 4066118), (70, 2904370), (98, 2074550), (100, 2033059), (140, 1452185), (175, 1161748), (196, 1037275), (245, 829820), (350, 580874), (490, 414910), (700, 290437), (980, 207455), (1225, 165964), (2450, 82982), (4900, 41491)]