30721090

素因数分解:

$2^1\times 5^1\times {\mathrm{1723}}^1\times {\mathrm{1783}}^1$

素因数の和:3513

約数の個数: 16

約数和(自身を含む): 55361088

約数和(自身を除く): 24639998

約数列:

[1, 2, 5, 10, 1723, 1783, 3446, 3566, 8615, 8915, 17230, 17830, 3072109, 6144218, 15360545, 30721090]

約数ペア:

[(1, 30721090), (2, 15360545), (5, 6144218), (10, 3072109), (1723, 17830), (1783, 17230), (3446, 8915), (3566, 8615)]