31439660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{224569}}^1$

素因数の和:224585

約数の個数: 24

約数和(自身を含む): 75455520

約数和(自身を除く): 44015860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 224569, 449138, 898276, 1122845, 1571983, 2245690, 3143966, 4491380, 6287932, 7859915, 15719830, 31439660]

約数ペア:

[(1, 31439660), (2, 15719830), (4, 7859915), (5, 6287932), (7, 4491380), (10, 3143966), (14, 2245690), (20, 1571983), (28, 1122845), (35, 898276), (70, 449138), (140, 224569)]