263896350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{71}}^2\times {\mathrm{349}}^1$

素因数の和:506

約数の個数: 72

約数和(自身を含む): 665712600

約数和(自身を除く): 401816250

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 71, 75, 142, 150, 213, 349, 355, 426, 698, 710, 1047, 1065, 1745, 1775, 2094, 2130, 3490, 3550, 5041, 5235, 5325, 8725, 10082, 10470, 10650, 15123, 17450, 24779, 25205, 26175, 30246, 49558, 50410, 52350, 74337, 75615, 123895, 126025, 148674, 151230, 247790, 252050, 371685, 378075, 619475, 743370, 756150, 1238950, 1759309, 1858425, 3518618, 3716850, 5277927, 8796545, 10555854, 17593090, 26389635, 43982725, 52779270, 87965450, 131948175, 263896350]

約数ペア:

[(1, 263896350), (2, 131948175), (3, 87965450), (5, 52779270), (6, 43982725), (10, 26389635), (15, 17593090), (25, 10555854), (30, 8796545), (50, 5277927), (71, 3716850), (75, 3518618), (142, 1858425), (150, 1759309), (213, 1238950), (349, 756150), (355, 743370), (426, 619475), (698, 378075), (710, 371685), (1047, 252050), (1065, 247790), (1745, 151230), (1775, 148674), (2094, 126025), (2130, 123895), (3490, 75615), (3550, 74337), (5041, 52350), (5235, 50410), (5325, 49558), (8725, 30246), (10082, 26175), (10470, 25205), (10650, 24779), (15123, 17450)]