1968620

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{383}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 4161024

約数和(自身を除く): 2192404

約数列:

[1, 2, 4, 5, 10, 20, 257, 383, 514, 766, 1028, 1285, 1532, 1915, 2570, 3830, 5140, 7660, 98431, 196862, 393724, 492155, 984310, 1968620]

約数ペア:

[(1, 1968620), (2, 984310), (4, 492155), (5, 393724), (10, 196862), (20, 98431), (257, 7660), (383, 5140), (514, 3830), (766, 2570), (1028, 1915), (1285, 1532)]