61399660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{438569}}^1$

素因数の和:438585

約数の個数: 24

約数和(自身を含む): 147359520

約数和(自身を除く): 85959860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 438569, 877138, 1754276, 2192845, 3069983, 4385690, 6139966, 8771380, 12279932, 15349915, 30699830, 61399660]

約数ペア:

[(1, 61399660), (2, 30699830), (4, 15349915), (5, 12279932), (7, 8771380), (10, 6139966), (14, 4385690), (20, 3069983), (28, 2192845), (35, 1754276), (70, 877138), (140, 438569)]