42118900

素因数分解:

$2^2\times 5^2\times {\mathrm{421189}}^1$

素因数の和:421203

約数の個数: 18

約数和(自身を含む): 91398230

約数和(自身を除く): 49279330

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 421189, 842378, 1684756, 2105945, 4211890, 8423780, 10529725, 21059450, 42118900]

約数ペア:

[(1, 42118900), (2, 21059450), (4, 10529725), (5, 8423780), (10, 4211890), (20, 2105945), (25, 1684756), (50, 842378), (100, 421189)]