131490460

素因数分解:

$2^2\times 5^1\times {\mathrm{1709}}^1\times {\mathrm{3847}}^1$

素因数の和:5565

約数の個数: 24

約数和(自身を含む): 276363360

約数和(自身を除く): 144872900

約数列:

[1, 2, 4, 5, 10, 20, 1709, 3418, 3847, 6836, 7694, 8545, 15388, 17090, 19235, 34180, 38470, 76940, 6574523, 13149046, 26298092, 32872615, 65745230, 131490460]

約数ペア:

[(1, 131490460), (2, 65745230), (4, 32872615), (5, 26298092), (10, 13149046), (20, 6574523), (1709, 76940), (3418, 38470), (3847, 34180), (6836, 19235), (7694, 17090), (8545, 15388)]