253137920

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{1009}}^1$

素因数の和:1048

約数の個数: 132

約数和(自身を含む): 707074740

約数和(自身を除く): 453936820

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1009, 1024, 1120, 1280, 1568, 1792, 1960, 2018, 2240, 2560, 3136, 3584, 3920, 4036, 4480, 5045, 5120, 6272, 7063, 7168, 7840, 8072, 8960, 10090, 12544, 14126, 15680, 16144, 17920, 20180, 25088, 28252, 31360, 32288, 35315, 35840, 40360, 49441, 50176, 56504, 62720, 64576, 70630, 80720, 98882, 113008, 125440, 129152, 141260, 161440, 197764, 226016, 247205, 250880, 258304, 282520, 322880, 395528, 452032, 494410, 516608, 565040, 645760, 791056, 904064, 988820, 1033216, 1130080, 1291520, 1582112, 1808128, 1977640, 2260160, 2583040, 3164224, 3616256, 3955280, 4520320, 5166080, 6328448, 7232512, 7910560, 9040640, 12656896, 15821120, 18081280, 25313792, 31642240, 36162560, 50627584, 63284480, 126568960, 253137920]

約数ペア:

[(1, 253137920), (2, 126568960), (4, 63284480), (5, 50627584), (7, 36162560), (8, 31642240), (10, 25313792), (14, 18081280), (16, 15821120), (20, 12656896), (28, 9040640), (32, 7910560), (35, 7232512), (40, 6328448), (49, 5166080), (56, 4520320), (64, 3955280), (70, 3616256), (80, 3164224), (98, 2583040), (112, 2260160), (128, 1977640), (140, 1808128), (160, 1582112), (196, 1291520), (224, 1130080), (245, 1033216), (256, 988820), (280, 904064), (320, 791056), (392, 645760), (448, 565040), (490, 516608), (512, 494410), (560, 452032), (640, 395528), (784, 322880), (896, 282520), (980, 258304), (1009, 250880), (1024, 247205), (1120, 226016), (1280, 197764), (1568, 161440), (1792, 141260), (1960, 129152), (2018, 125440), (2240, 113008), (2560, 98882), (3136, 80720), (3584, 70630), (3920, 64576), (4036, 62720), (4480, 56504), (5045, 50176), (5120, 49441), (6272, 40360), (7063, 35840), (7168, 35315), (7840, 32288), (8072, 31360), (8960, 28252), (10090, 25088), (12544, 20180), (14126, 17920), (15680, 16144)]