201280240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{51347}}^1$

素因数の和:51374

約数の個数: 60

約数和(自身を含む): 544391496

約数和(自身を除く): 343111256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 51347, 102694, 205388, 256735, 359429, 410776, 513470, 718858, 821552, 1026940, 1437716, 1797145, 2053880, 2516003, 2875432, 3594290, 4107760, 5032006, 5750864, 7188580, 10064012, 12580015, 14377160, 20128024, 25160030, 28754320, 40256048, 50320060, 100640120, 201280240]

約数ペア:

[(1, 201280240), (2, 100640120), (4, 50320060), (5, 40256048), (7, 28754320), (8, 25160030), (10, 20128024), (14, 14377160), (16, 12580015), (20, 10064012), (28, 7188580), (35, 5750864), (40, 5032006), (49, 4107760), (56, 3594290), (70, 2875432), (80, 2516003), (98, 2053880), (112, 1797145), (140, 1437716), (196, 1026940), (245, 821552), (280, 718858), (392, 513470), (490, 410776), (560, 359429), (784, 256735), (980, 205388), (1960, 102694), (3920, 51347)]