129207860

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{41149}}^1$

素因数の和:41315

約数の個数: 24

約数和(自身を含む): 273071400

約数和(自身を除く): 143863540

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 41149, 82298, 164596, 205745, 411490, 822980, 6460393, 12920786, 25841572, 32301965, 64603930, 129207860]

約数ペア:

[(1, 129207860), (2, 64603930), (4, 32301965), (5, 25841572), (10, 12920786), (20, 6460393), (157, 822980), (314, 411490), (628, 205745), (785, 164596), (1570, 82298), (3140, 41149)]