908792350

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{443}}^1\times {\mathrm{461}}^1$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 1716921360

約数和(自身を除く): 808129010

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 443, 445, 461, 886, 890, 922, 2215, 2225, 2305, 4430, 4450, 4610, 11075, 11525, 22150, 23050, 39427, 41029, 78854, 82058, 197135, 204223, 205145, 394270, 408446, 410290, 985675, 1021115, 1025725, 1971350, 2042230, 2051450, 5105575, 10211150, 18175847, 36351694, 90879235, 181758470, 454396175, 908792350]

約数ペア:

[(1, 908792350), (2, 454396175), (5, 181758470), (10, 90879235), (25, 36351694), (50, 18175847), (89, 10211150), (178, 5105575), (443, 2051450), (445, 2042230), (461, 1971350), (886, 1025725), (890, 1021115), (922, 985675), (2215, 410290), (2225, 408446), (2305, 394270), (4430, 205145), (4450, 204223), (4610, 197135), (11075, 82058), (11525, 78854), (22150, 41029), (23050, 39427)]