31481660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{224869}}^1$

素因数の和:224885

約数の個数: 24

約数和(自身を含む): 75556320

約数和(自身を除く): 44074660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 224869, 449738, 899476, 1124345, 1574083, 2248690, 3148166, 4497380, 6296332, 7870415, 15740830, 31481660]

約数ペア:

[(1, 31481660), (2, 15740830), (4, 7870415), (5, 6296332), (7, 4497380), (10, 3148166), (14, 2248690), (20, 1574083), (28, 1124345), (35, 899476), (70, 449738), (140, 224869)]