254840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 600480

約数和(自身を除く): 345640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 277, 460, 554, 920, 1108, 1385, 2216, 2770, 5540, 6371, 11080, 12742, 25484, 31855, 50968, 63710, 127420, 254840]

約数ペア:

[(1, 254840), (2, 127420), (4, 63710), (5, 50968), (8, 31855), (10, 25484), (20, 12742), (23, 11080), (40, 6371), (46, 5540), (92, 2770), (115, 2216), (184, 1385), (230, 1108), (277, 920), (460, 554)]