3405890

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{809}}^1$

素因数の和:1237

約数の個数: 16

約数和(自身を含む): 6152760

約数和(自身を除く): 2746870

約数列:

[1, 2, 5, 10, 421, 809, 842, 1618, 2105, 4045, 4210, 8090, 340589, 681178, 1702945, 3405890]

約数ペア:

[(1, 3405890), (2, 1702945), (5, 681178), (10, 340589), (421, 8090), (809, 4210), (842, 4045), (1618, 2105)]