398340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2213}}^1$

素因数の和:2228

約数の個数: 36

約数和(自身を含む): 1208844

約数和(自身を除く): 810504

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2213, 4426, 6639, 8852, 11065, 13278, 19917, 22130, 26556, 33195, 39834, 44260, 66390, 79668, 99585, 132780, 199170, 398340]

約数ペア:

[(1, 398340), (2, 199170), (3, 132780), (4, 99585), (5, 79668), (6, 66390), (9, 44260), (10, 39834), (12, 33195), (15, 26556), (18, 22130), (20, 19917), (30, 13278), (36, 11065), (45, 8852), (60, 6639), (90, 4426), (180, 2213)]