291017340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{538921}}^1$

素因数の和:538939

約数の個数: 48

約数和(自身を含む): 905388960

約数和(自身を除く): 614371620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 538921, 1077842, 1616763, 2155684, 2694605, 3233526, 4850289, 5389210, 6467052, 8083815, 9700578, 10778420, 14550867, 16167630, 19401156, 24251445, 29101734, 32335260, 48502890, 58203468, 72754335, 97005780, 145508670, 291017340]

約数ペア:

[(1, 291017340), (2, 145508670), (3, 97005780), (4, 72754335), (5, 58203468), (6, 48502890), (9, 32335260), (10, 29101734), (12, 24251445), (15, 19401156), (18, 16167630), (20, 14550867), (27, 10778420), (30, 9700578), (36, 8083815), (45, 6467052), (54, 5389210), (60, 4850289), (90, 3233526), (108, 2694605), (135, 2155684), (180, 1616763), (270, 1077842), (540, 538921)]