2191290780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{745337}}^1$

素因数の和:745363

約数の個数: 72

約数和(自身を含む): 7137356688

約数和(自身を除く): 4946065908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 745337, 1490674, 2236011, 2981348, 3726685, 4472022, 5217359, 7453370, 8944044, 10434718, 11180055, 14906740, 15652077, 20869436, 22360110, 26086795, 31304154, 36521513, 44720220, 52173590, 62608308, 73043026, 78260385, 104347180, 109564539, 146086052, 156520770, 182607565, 219129078, 313041540, 365215130, 438258156, 547822695, 730430260, 1095645390, 2191290780]

約数ペア:

[(1, 2191290780), (2, 1095645390), (3, 730430260), (4, 547822695), (5, 438258156), (6, 365215130), (7, 313041540), (10, 219129078), (12, 182607565), (14, 156520770), (15, 146086052), (20, 109564539), (21, 104347180), (28, 78260385), (30, 73043026), (35, 62608308), (42, 52173590), (49, 44720220), (60, 36521513), (70, 31304154), (84, 26086795), (98, 22360110), (105, 20869436), (140, 15652077), (147, 14906740), (196, 11180055), (210, 10434718), (245, 8944044), (294, 7453370), (420, 5217359), (490, 4472022), (588, 3726685), (735, 2981348), (980, 2236011), (1470, 1490674), (2940, 745337)]