249965900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131561}}^1$

素因数の和:131594

約数の個数: 36

約数和(自身を含む): 570979080

約数和(自身を除く): 321013180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 131561, 263122, 526244, 657805, 1315610, 2499659, 2631220, 3289025, 4999318, 6578050, 9998636, 12498295, 13156100, 24996590, 49993180, 62491475, 124982950, 249965900]

約数ペア:

[(1, 249965900), (2, 124982950), (4, 62491475), (5, 49993180), (10, 24996590), (19, 13156100), (20, 12498295), (25, 9998636), (38, 6578050), (50, 4999318), (76, 3289025), (95, 2631220), (100, 2499659), (190, 1315610), (380, 657805), (475, 526244), (950, 263122), (1900, 131561)]