70478860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{49633}}^1$

素因数の和:49713

約数の個数: 24

約数和(自身を含む): 150093216

約数和(自身を除く): 79614356

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 49633, 99266, 198532, 248165, 496330, 992660, 3523943, 7047886, 14095772, 17619715, 35239430, 70478860]

約数ペア:

[(1, 70478860), (2, 35239430), (4, 17619715), (5, 14095772), (10, 7047886), (20, 3523943), (71, 992660), (142, 496330), (284, 248165), (355, 198532), (710, 99266), (1420, 49633)]