420850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:474

約数の個数: 24

約数和(自身を含む): 825840

約数和(自身を除く): 404990

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 443, 475, 886, 950, 2215, 4430, 8417, 11075, 16834, 22150, 42085, 84170, 210425, 420850]

約数ペア:

[(1, 420850), (2, 210425), (5, 84170), (10, 42085), (19, 22150), (25, 16834), (38, 11075), (50, 8417), (95, 4430), (190, 2215), (443, 950), (475, 886)]