1847420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1301}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 3937248

約数和(自身を除く): 2089828

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1301, 1420, 2602, 5204, 6505, 13010, 26020, 92371, 184742, 369484, 461855, 923710, 1847420]

約数ペア:

[(1, 1847420), (2, 923710), (4, 461855), (5, 369484), (10, 184742), (20, 92371), (71, 26020), (142, 13010), (284, 6505), (355, 5204), (710, 2602), (1301, 1420)]