1490260

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 3152520

約数和(自身を除く): 1662260

約数列:

[1, 2, 4, 5, 10, 20, 269, 277, 538, 554, 1076, 1108, 1345, 1385, 2690, 2770, 5380, 5540, 74513, 149026, 298052, 372565, 745130, 1490260]

約数ペア:

[(1, 1490260), (2, 745130), (4, 372565), (5, 298052), (10, 149026), (20, 74513), (269, 5540), (277, 5380), (538, 2770), (554, 2690), (1076, 1385), (1108, 1345)]