1409860

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 2986200

約数和(自身を除く): 1576340

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 449, 628, 785, 898, 1570, 1796, 2245, 3140, 4490, 8980, 70493, 140986, 281972, 352465, 704930, 1409860]

約数ペア:

[(1, 1409860), (2, 704930), (4, 352465), (5, 281972), (10, 140986), (20, 70493), (157, 8980), (314, 4490), (449, 3140), (628, 2245), (785, 1796), (898, 1570)]