3998450

素因数分解:

$2^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{379}}^1$

素因数の和:602

約数の個数: 24

約数和(自身を含む): 7492080

約数和(自身を除く): 3493630

約数列:

[1, 2, 5, 10, 25, 50, 211, 379, 422, 758, 1055, 1895, 2110, 3790, 5275, 9475, 10550, 18950, 79969, 159938, 399845, 799690, 1999225, 3998450]

約数ペア:

[(1, 3998450), (2, 1999225), (5, 799690), (10, 399845), (25, 159938), (50, 79969), (211, 18950), (379, 10550), (422, 9475), (758, 5275), (1055, 3790), (1895, 2110)]