406492968460

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1429}}^1\times {\mathrm{27943}}^1$

素因数の和:29890

約数の個数: 48

約数和(自身を含む): 855941486400

約数和(自身を除く): 449448517940

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 1429, 2036, 2545, 2858, 5090, 5716, 7145, 10180, 14290, 27943, 28580, 55886, 111772, 139715, 279430, 558860, 727361, 1454722, 2909444, 3636805, 7273610, 14222987, 14547220, 28445974, 39930547, 56891948, 71114935, 79861094, 142229870, 159722188, 199652735, 284459740, 399305470, 798610940, 20324648423, 40649296846, 81298593692, 101623242115, 203246484230, 406492968460]

約数ペア:

[(1, 406492968460), (2, 203246484230), (4, 101623242115), (5, 81298593692), (10, 40649296846), (20, 20324648423), (509, 798610940), (1018, 399305470), (1429, 284459740), (2036, 199652735), (2545, 159722188), (2858, 142229870), (5090, 79861094), (5716, 71114935), (7145, 56891948), (10180, 39930547), (14290, 28445974), (27943, 14547220), (28580, 14222987), (55886, 7273610), (111772, 3636805), (139715, 2909444), (279430, 1454722), (558860, 727361)]