817420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1777}}^1$

素因数の和:1809

約数の個数: 24

約数和(自身を含む): 1792224

約数和(自身を除く): 974804

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 1777, 3554, 7108, 8885, 17770, 35540, 40871, 81742, 163484, 204355, 408710, 817420]

約数ペア:

[(1, 817420), (2, 408710), (4, 204355), (5, 163484), (10, 81742), (20, 40871), (23, 35540), (46, 17770), (92, 8885), (115, 7108), (230, 3554), (460, 1777)]