290748900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{74551}}^1$

素因数の和:74581

約数の個数: 72

約数和(自身を含む): 905955904

約数和(自身を除く): 615207004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 74551, 149102, 223653, 298204, 372755, 447306, 745510, 894612, 969163, 1118265, 1491020, 1863775, 1938326, 2236530, 2907489, 3727550, 3876652, 4473060, 4845815, 5591325, 5814978, 7455100, 9691630, 11182650, 11629956, 14537445, 19383260, 22365300, 24229075, 29074890, 48458150, 58149780, 72687225, 96916300, 145374450, 290748900]

約数ペア:

[(1, 290748900), (2, 145374450), (3, 96916300), (4, 72687225), (5, 58149780), (6, 48458150), (10, 29074890), (12, 24229075), (13, 22365300), (15, 19383260), (20, 14537445), (25, 11629956), (26, 11182650), (30, 9691630), (39, 7455100), (50, 5814978), (52, 5591325), (60, 4845815), (65, 4473060), (75, 3876652), (78, 3727550), (100, 2907489), (130, 2236530), (150, 1938326), (156, 1863775), (195, 1491020), (260, 1118265), (300, 969163), (325, 894612), (390, 745510), (650, 447306), (780, 372755), (975, 298204), (1300, 223653), (1950, 149102), (3900, 74551)]