1424840

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 3240000

約数和(自身を除く): 1815160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 199, 358, 398, 716, 796, 895, 995, 1432, 1592, 1790, 1990, 3580, 3980, 7160, 7960, 35621, 71242, 142484, 178105, 284968, 356210, 712420, 1424840]

約数ペア:

[(1, 1424840), (2, 712420), (4, 356210), (5, 284968), (8, 178105), (10, 142484), (20, 71242), (40, 35621), (179, 7960), (199, 7160), (358, 3980), (398, 3580), (716, 1990), (796, 1790), (895, 1592), (995, 1432)]