28305400

素因数分解:

$2^3\times 5^2\times {\mathrm{307}}^1\times {\mathrm{461}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 66167640

約数和(自身を除く): 37862240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 307, 461, 614, 922, 1228, 1535, 1844, 2305, 2456, 3070, 3688, 4610, 6140, 7675, 9220, 11525, 12280, 15350, 18440, 23050, 30700, 46100, 61400, 92200, 141527, 283054, 566108, 707635, 1132216, 1415270, 2830540, 3538175, 5661080, 7076350, 14152700, 28305400]

約数ペア:

[(1, 28305400), (2, 14152700), (4, 7076350), (5, 5661080), (8, 3538175), (10, 2830540), (20, 1415270), (25, 1132216), (40, 707635), (50, 566108), (100, 283054), (200, 141527), (307, 92200), (461, 61400), (614, 46100), (922, 30700), (1228, 23050), (1535, 18440), (1844, 15350), (2305, 12280), (2456, 11525), (3070, 9220), (3688, 7675), (4610, 6140)]