127721180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{148513}}^1$

素因数の和:148565

約数の個数: 24

約数和(自身を含む): 274453872

約数和(自身を除く): 146732692

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 148513, 297026, 594052, 742565, 1485130, 2970260, 6386059, 12772118, 25544236, 31930295, 63860590, 127721180]

約数ペア:

[(1, 127721180), (2, 63860590), (4, 31930295), (5, 25544236), (10, 12772118), (20, 6386059), (43, 2970260), (86, 1485130), (172, 742565), (215, 594052), (430, 297026), (860, 148513)]