1199720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 2737800

約数和(自身を除く): 1538080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 337, 356, 445, 674, 712, 890, 1348, 1685, 1780, 2696, 3370, 3560, 6740, 13480, 29993, 59986, 119972, 149965, 239944, 299930, 599860, 1199720]

約数ペア:

[(1, 1199720), (2, 599860), (4, 299930), (5, 239944), (8, 149965), (10, 119972), (20, 59986), (40, 29993), (89, 13480), (178, 6740), (337, 3560), (356, 3370), (445, 2696), (674, 1780), (712, 1685), (890, 1348)]