70990090

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{20341}}^1$

素因数の和:20697

約数の個数: 16

約数和(自身を含む): 128154600

約数和(自身を除く): 57164510

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 20341, 40682, 101705, 203410, 7099009, 14198018, 35495045, 70990090]

約数ペア:

[(1, 70990090), (2, 35495045), (5, 14198018), (10, 7099009), (349, 203410), (698, 101705), (1745, 40682), (3490, 20341)]